B
|
S.W.A.T. |
A
| Acronym | Original Language | English translation | Country |
| ABS | Algemene Binnenlandse Stabiliteit | = ISD | South Africa |
| ABT | Anti-Banditisme en Terrorisme | Anti-Banditism and Terrorism | Belgium |
| ABW | Agencja Bezpieczenstwa Wewnetrznego | Internal Security Agency | Poland |
| ACTAF | Anti-Crime Task Force | Ditto | Philippines |
| AE | Arrestatie-eenheid, Aanhoudingseenheid | Arrest Unit, Apprehension Unit | Belgium, Netherlands |
| AFI | Agencia Federal de Investigaciones | Federal Investigations Agency | Mexico |
| AFO | Authorised Firearms Officer | Ditto | UK |
| AKS | Aktionsstyrket | Action Unit ? | Denmark |
| AMAP (=OMON) |
Atrjad Milizii Asobogo Priznachenija | Special Operations State Militia | Belarus |
| AOB | Anti-Overvalsbrigade (=BAA) | Anti Agression Brigade | Belgium |
| AOE | Aanhoudings- en ondersteuningseenheden | Arrest and Support Units | Netherlands |
| AOS | Armed Offenders Squad | Ditto | New Zealand |
| AOU | Armed Operations Unit | Ditto | UK |
| APS | Australian Protective Service | Ditto | Australia |
| ARB | Algemene Reserve en Bijstand | General Reserve and Support | Belgium |
| ARG (now DAR) |
Algemene Reserve - Réserve Générale | General Reserve | Belgium |
| ARS | Agrupacion Rural Seguridad | Rural Security Group | Spain |
| ARV | Armed Response Vehicle | Ditto | UK |
| ARW | Army Ranger Wing | Ditto | Ireland |
| ASET | Annapolis Special Emergency Team | Ditto | USA |
| ASSC | Army Special Service Company | Ditto | Taiwan |
| ASU | Airport Security Unit | Ditto | Hong Kong |
| AT | Arrestatieteam | Arrest Team | Netherlands |
| Antyterrorystyczny | Anti Terrorist | Poland | |
| ATD | Anti Terrorist Department | Ditto | USA |
| ATF | Bureau of Alcohol, Tobacco and Firearms | Ditto | USA |
| ATJ | Anti Teroristicka Jedinica | Anti Terrorist Unit | Croatia |
| ATPI | Anti Terrorismo Pronto Impiego | Counterterrorism Quick Intervention | Italy |
| ATVP | Anti Teroristicka Vojna Policija | Anti Terrorist Military Police | Croatia |
| BA | Brigada Antiterorista | Anti-terrorist Brigade | Romania |
| BAA | Brigade Anti Agression (=AOB) | Anti Agression Brigade | Belgium |
| BAC | Brigade Anti Criminalité | Anti Criminality Brigade | France; Benin |
| BAE | Brigada Acciones Especiales | Special Actions Brigade | Venezuela |
| BBE (now UIM) | Bijzondere Bijstandseenheid | Special Support Unit | Netherlands |
| BBT | Bijzonder Bijstandsteam | Special Support Team | Belgium |
| BDS (defunct) | Biuro Dokumentacji Skarbowej | Bureau of Treasury Documentation | Poland |
| BEAS | Brigada Especial de Ayuda Y Seguridad | Special Aid and Security Brigade | Spain |
| BEOH | Brigada Especial Operativa Halcon | Falcon Special Operations Brigade | Argentina |
| BFE | Beweissicherungs- und Festnahmeeinheit | Evidence and Apprehension Unit | Germany |
| Brigada de Fuerzas Especiales | Special Forces Brigade | Ecuador | |
| BFH | Beweissicherungs- und Festnahmehundertschaften | Evidence and Apprehension Unit (BGS) | Germany |
| BGS | Bundesgrenzschutz | Border Guard | Germany |
| BI | Bijzondere Interventie | Special Intervention | Belgium |
| BM | Brigada Móvile | Mobile Brigade | Basque Province |
| BMG (defunct) | Brigade Mobile de la Gendarmerie grand-ducale | Gendarmerie Mobile Brigade | Luxemburg |
| BMI | Bundes Ministerium für Inneres | Federal Ministry of Interior | Austria |
| BOA (now ZOA) |
Biuro Operacji Antyterrorystycznych | Counterterrorist Operations Bureau | Poland |
| BOA | Bijstand - Opsporing - Arrestatie | Support - Search - Arrest | Belgium |
| BOE | Batalhão de Operações Especiais | Special Operations Battalion | Brazil |
| BOPE | Batalhão de Operações de Policia Especiais | Special Police Operations Battalion | Brazil |
| BOR | Biuro Ochrony Rzadu | Bureau of the Government Protection | Poland |
| BORTAC | Border Police Tactical Unit | Ditto | USA |
| BOT | Bijzonder Ondersteunings Team | Special Support Team | Netherlands |
| BOTI (now BBT) |
Bijzondere Opdrachten en Tactische Interventie | Special Missions and Tactical Intervention | Belgium |
| BPA | Bereitschaftspolizeiabteilung | Voluntary Police Department | Germany |
| BPE | Batalhão de Policiamento Especial | Special Police Battalion | Brazil |
| BRATRA | Brand- en Traangasgroep | Fire and Teargas Group | Netherlands |
| BRB | Brigade de Répression du Banditisme | Banditism Repression Brigade | France; Guinea |
| BREC | Brigade de Recherche, d'Enquête et de Coordination | Search, Investigation and Co-ordination Brigade | France |
| BRI | Brigade de Recherche et d'Intervention | Search and Intervention Brigade | France |
| BSB | Brigade Speciale Beveiligingsopdrachten | Special Security Assignments Brigade | Netherlands |
| BSP | Brigade Spéciale de Protection | Special Protection Brigade | Côte d'Ivoire |
| BSU | Brigade Safety Urban | Ditto | France |
| BZ | Bijzondere Zoekingen | Special Searches | Netherlands |
C
| CAG | Combat Application Group | Ditto | USA |
| CAJ | Specijalna
Antiteroristicka Jedinica (S=C in Cirilic alphabet) |
Special Anti-terrorist Unit | Yugoslavia |
| CAT | Counter Assault Team | Ditto | USA |
| CAYOEK | Centro de Adiestramiento y Operaciones Especiales | Centre for Special Operations Training | Guatemala |
| CBO | Centraal Bureau der Opsporingen | Central Bureau of Investigations | Belgium |
| CBS | Centralne Biuro Sledcze | Central Investigation Office | Poland |
| CDI | Compagnie Départementale d'Intervention | Departmental Intervention Company | France |
| CEAT | Comando Especial Antiterrorista | Special Anti-terrorist Commando | El Salvador |
| CEOP | Cuerpo Especial de Operaciones Policiales | Special Police Operations Corps | Argentina |
| CERT | Certified Emergency Response Team | Ditto | USA; Canada |
| Correctional Emergency Response Team | Ditto | USA | |
| CGF | Corps des Gardes-Fortifications | Fortifications Guards | Switzerland |
| CI | Compagnie d'Intervention | Intervention Company | Republic of Congo |
| CIGS | Centro de Instrução de Guerra na Selva | ? | Brazil |
| CIMO | Corps d'Intervention et du Maintien de l'Ordre | Intervention and Public Order Maintain Corps | Haiti |
| CIO | Compagnia di Intervento Operativo | Operational Intervention Company | Italy |
| CIRT | Crisis Intervention Response Team | Ditto | USA |
| Critical Incident Response Team | Ditto | USA | |
| CMIS | Compagnie Maintien-Intervention Sécurité | Maintain Company-Security Intervention | Guinea |
| CNC | Civil Nuclear Constabulary | Ditto | UK |
| CNEFG | Centre National d'Entraînement des Forces de la Gendarmerie | National Training Centre for Gendarmerie Forces | France |
| CNP | Cuerpo Nacional de Policia | National Police Force | Spain |
| CNS | Cientr Spiecjalnogo Naznachienija | Special Purposes Centre | Russia |
| COAR | Cuerpo de Operaciones de Alto Riesgo | High Risk Operations Corps | Argentina |
| COBRA | Cel Overbrenging, Bescherming, Reactie en Aanhouding | Cell Transfert, Protection, Reaction and Arrest | Belgium |
| COBT | Spetsializiran
Otriad za Borba s Terorizma (S=C in Cirilic alphabet) |
Special Anti-terrorist Unit | Bulgaria |
| COE | Corpo de Operações Especiais | Special Operations Corps | Brazil |
| Commando de Operaciones Especiales | Special Operations Commando | Paraguay | |
| Compania de Operaciones Especiales | Special Operations Company | Panama | |
| Compania de Operações Especiais | Special Operations Company | Portugal | |
| COES | Compania de Operaciones Especiales | Special Operations Company | Peru |
| COMUS | Commandement des Unités Spécialisées | Commando of the Specialised Units | Republic of Congo |
| COP | Centro de Operaciones Policiales | Police Operations Centre | Argentina |
| COPE | Centro de Operações Policiais Especiais | Special Police Operations Centre | Brazil |
| Comando de Operaciones Policiales Especiales | Special Police Operations Commando | Honduras | |
| COPS | Community Oriented Police Support Unit | Ditto | Belgium |
| CORE | Comando de Operações de Recursos Especiais | Special Saving Operations Commando | Brazil |
| COT | Comando de Operaçoes Taticas | Tactical Operations Commando | Brazil |
| COTEP | Compagnie des transferts, escortes et protections | Transports, escorts and protections Company | France |
| CPL | Centralny Port Lotniczy | Central Airport Okecie | Poland |
| CPU | Close Protection Unit | Ditto | UN CivPol Kosovo |
| CRG | Compania Reserva Generale | General Reserve Company | Spain |
| CRS | Compagnie Républicaine de Réserve | Republican Reserve Company | France; Benin |
| CRT | Crisis Rescue Team | Ditto | USA |
| CTB71 | Counter Terrorist Battalion 71 | Ditto | Jordan |
D
| DAR | Directie Algemene Reserve - Direction Réserve Générale | Direction General Reserve | Belgium |
| DARD | Détachement d'Action Rapide et de Dissuasion | Rapid Action and Dissuasion Detachment | Switzerland |
| DAS | Detachement d'Agents de Sécurité | Security Agents Detachment | Belgium |
| DCPJ | Direction Centrale de la Police Judiciaire | Central Direction of the Judicial Police | France |
| DCS | Détachement Convoyeur Sécurité | Security Convoy Detachment | Switzerland |
| Departamento Central de Seguridad | Central Security Department | Uruguay | |
| DCSP | Direction Centrale Sécurité Publique | Central Direction for Public Security | France |
| DEA | Drugs Enforcement Administration | Ditto | USA |
| Dimoria Eidikon Apostolon | ? | Greece | |
| DEIDA (defunct, now EKAM) | ? | Special Operations Platoon | Greece |
| DEVGRU | Naval Special Warfare Development Group | Ditto | USA |
| DIA | Direzione Investigativa Antimafia | Anti-mafia Investigations Direction | Italy |
| DIAS | Detasamentul de Interventie si Actiuni Speciale | Intervention and Special Actions Detachment | Romania |
| DINOES | División Nacional de Operaciones Especiales | National Division Special Operations | Peru |
| DKDB | Dienst Koninklijke en Diplomatieke Beveiliging | Royal and Diplomatic Protection Service | Netherlands |
| (VI) DKO | Departament Kontrolno-Operacyjny | 6th Control-Operational Department | Poland |
| DOC | Department of Correction(s) | Ditto | USA |
| DOE | Diretoria General de Operações | General Directorate of Operations | Brazil |
| DOG | District Ondersteunings Groep | District Support Group | Netherlands |
| DOPC | Direction de l'Ordre Public et de la Circulation | Public Order and Traffic Direction | France |
| DOVO | Dienst voor Opruiming en Vernietiging van Ontploffingstuigen | Service for Clean-up and Destruction of Explosives | Belgium |
| DPIR | Detasamentul Politiei pentru Interventie Rapida | Police Detachment for Rapid Intervention | Romania |
| DPS | Department of Public Safety | Ditto | USA |
| DRSP | Direction Régionale Service Pénitentiaire | Regional Direction Correction Department | France |
| DSI | Dienst Speciale Interventies | Special Interventions Service | Netherlands |
| DSRT | Dessert Surveillance Reconnaissance Team | Ditto | USA |
| Dienst Specialistische Recherche Toepassingen | Special Investigation Technics Service | Netherlands | |
| DSS | Diplomatic Security Service | Ditto | USA |
| DSU | Directie Speciale Eenheden - Direction Unités Spéciales | Direction Special Units | Belgium |
| DTOO | Dienst Technische en Operationele Ondersteuning | Technical and Operational Support Service | Netherlands |
| DVI | Disaster Victim Identification team | Ditto | Belgium |
| DYK | Dioikisi Ypovrychion Katastrofon | Combat Divers Command | Greece |
E
| EAF | Einsatzabteilung Flughafen | Special Department Airport | Austria |
| EAO | Eidikos Antitpomkpatikos Oylamos | Special Antiterrorist Squad | Cyprus |
| EAT | Emergencia Acciones Tacticas | Emergency Tactical Actions | Peru |
| EBS | Einsatzeinheit zur Bekämpfung der Suchtgifkriminalität | Special Unit for the fight against narcotics | Austria |
| EBT | Einsatzgruppe zur Bekämpfung des Terrorismus | Special Group for the Struggle againts Terror | Austria |
| ECRI (now GIGN) |
Equipe Commando Régionale d'Intervention | Regional Commando Intervention Team | France |
| ECTLO | Escouade de Contre Terrorisme et de Libération d'otages | Counterterrorism and Hostage Liberation Group | France |
| EE | Einsatzeinheit | Special Unit | Austria |
| EEPE | Equipo Estatal de Proyectos Especiales | State Special Projects Team | Mexico |
| EG | Einsatzgruppe | Special Group | Austria; Switzerland |
| EKAM | Eidiki Katalstaiki Antitromokratiki Monada | Special Repressive Antiterrorist Unit | Greece |
| EKC (trial before EKO) |
Einsatzkommando Cobra | Special Commando Cobra | Austria |
| EKO | Einsatzkommando | Special Commando | Austria |
| ELI (now = PI) |
Equipe Légère d'Intervention | Light Intervention Team | France |
| EMOGIF | Equipe Médicale Opérationnelle de la Gendarmerie Ile de France | Gendarmerie Medical Operational Team Isle of France | France |
| EPIGN | Escadron Parachutiste d'Intervention Gendarmerie Nationale | Parachutist Intervention Squadron National Gendarmerie | France |
| EPIU | Equipe Pénitentiaire d'Intervention en cas d'Urgence | = IERT | Canada |
| ERIS | Equipe Régionales d'Intervention et de Sécurité | Regional Intervention and Security Team | France |
| EROE | Escuadron de Rescate y Operaciones Especiales | Rescue and Special Operations Squadron | Mexico |
| ERT | Emergency Reaction Team | Ditto | USA, Canada |
| Emergency Response Team | Ditto | USA, Canada | |
| ERTA | Equipo de Reacción Táctico Antinarcóticos | Anti-narcotics Tactical Reaction Team | Chile |
| ERU | Emergency Response Unit | Ditto | USA; Ireland; Iraq |
| ESI | Escadron Spécial d'Intervention (=SIE) | Special Intervention Squadron | Belgium |
| ESI | Escadron de Sécurité et d'Intervention | Security and Intervention Squadron | Burkina Faso |
| EST | Emergency Service(s) Team | Ditto | USA |
| ESU | Emergency Service Unit | Ditto | USA |
| ETER | Escuadron Tactico Especial Recomendado | Recommended Special Tactics Squadron | Argentina |
| ETF | Emergency Task Force | Ditto | Canada, USA |
| ETU | Emergency Task Unit | Ditto | Canada |
F
| FAST | Fugitives Active Search Team | Ditto | Belgium |
| FBI | Federal Bureau of Investigation | Ditto | USA |
| FBS | Flugbeobachter für Sondereinsätze | Air Observer for Special Employment | Austria |
| FELCN | Fuerza Especial de Lucha Contra el Narcotrafico | Special Force for the Fight against Narcotics Traffic | Bolivia |
| FEP | Fuerzas Especiales de Policia | Special Police Forces | Guatemala |
| FIAT | Felony Investigative Assistance Team | Ditto | USA |
| FNSH | Qendrore e Forcave Speciale e të Ndërhyrjes së Shpejtë | Central Directorate of Special and Rapid Intervention Forces | Albania |
| FOI 2 | Force Opérationnelle Interarmées 2 | = JTF 2 | Canada |
| FOPE | Fuerza de Operaciones Especiales | Special Operations Force | Paraguay |
| FOST | Firearms and Officer Safety Training | Ditto | Australia |
| FPS | Federal Protective Service | Ditto | Iraq |
| FRI | Fuerza de Reaccion Inmediata | Immediat Reaction Force | Guatemala; Mexico |
| FSB | Federalnaja Sluzba Bezopastnost | Federal Security Service | Russia |
| FSIN | Federalnaja Sluzba Ispolnienija Nakazanij | Federal Services of Correction | Russia |
| FSK | Forsvarets Spesialkommando | ... Special Commando | Norway |
| FSO | Federalnaja Sluzba Ochrany | Federal Protection Service | Russia |
| FSST | Flugbeobachter für Seiltechnik, Sondereinsätze und Terrorbekämpfung | Air Observer for Fastroping, Special Employment and Counterterrorism | Austria |
| FSZ | Fortbildungsstelle Spezialeinheiten Zoll | Training Centrum Customs Special Units | Germany |
| FUDRA | Fuerza Despiegamento Rapido | Rapid ? Force | Colombia |
G
| GACIP | Grupo de Apoyo Civil a la Policia | Civil Support Group to the Police | Bolivia |
| GAD | Groupe d'Appui et de Dissuasion | Support and Dissuasion Group | France |
| GAFE | Grupo Aeromovil de Fuerzas Especiales | Airmobile Special Forces Group | Mexico |
| GAI | Grupo de Accion Inmediata | Immediate Action Group | Paraguay |
| GAP | Grupo de Accion Policial | Police Action Group | Panama |
| GAPP | Groupe d'Appui de la Police de Proximité | Support Group Proximity Police | France |
| GAR | Grupo Antiterrorista Rurale | Rural Counterterrorist Group | Spain |
| Grupo de Accion Rapida | Rapid Action Group | Spain; Guatemala; Argentina | |
| GARRAS | ? | Special Anti-Narcotics Unit | Bolivia |
| GASP | Groupe d'Actions Spéciales de la Police | Police Special Actions Group | Republic of Congo |
| GATE | Grupo de Açòes Táticas Especiais | Special Tactical Actions Group | Brazil |
| GATO | Groupe d'Appui Technique et Opérationnel | Technical and Operational Support Group | Luxembourg |
| GE | Grupo Especiais | Special Group | Mozambique |
| GEAS | Grupo Especial Anti Secuestro | Special Anti Hostage Group | Mexico |
| GEAT | Grupo Especial Anti-Terror | Special Counterterror Group | Panama |
| GEI | Grup Especial d'Intervencio | Special Intervention Group | Spain (Catalonia) |
| Grupo Especial (de) Intervencion | Special Intervention Group | Spain; Argentina | |
| Grupo Especial de Intervenção | Special Intervention Group | Angola | |
| GEK | Gendarmerieeinsatzkommando | Gendarmerie Special Commando | Austria |
| GEMA | Grupo Especial Móvil Antinarcóticos | Special Mobile Antinarcotics Group | Ecuador |
| GEO | Grupo Especial de Operaciones | Special Operations Group | Spain, Uruguay, Argentina; Ecuador; Paraguay |
| GEOF | Grupo Especial de Operaciones Federales | Federal Special Operations Group | Argentina |
| GEOP | Grupo Especial Operaciones Penitenciarias | Penitentiary Special Operations Group | Argentina |
| GER | Grupo Especial de Resgate | Special Rescue Group | Brazil |
| GERI | Grupo Especial de Reaccion Inmediata | Immediat Reaction Special Group | Mexico |
| GES | Grupo Especial de Seguridad | Special Security Group | Spain |
| GET | Grupo Especial Tactico | Special Tactics Group | Mexico |
| GI | Groupe d'Intervention | Intervention Group | Switzerland |
| GI-TE | Groupe d'Intervention-Tireur d'élite | Intervention Group Sniper | Switzerland |
| GICO |
Gruppo Intervento Criminalità Organizzata |
Organised Crime Intervention Group | Italy |
| GIGN | Groupe d'Intervention Gendarmerie Nationale | Intervention Group National Gendarmerie | France; Central African Republic |
| GIGR | Groupe d'Intervention Gendarmerie Royale | Intervention Group Royal Gendarmerie | Morocco |
| GIP | Groupement d'Intervention de la Police | Intervention Group Police | Republic of Congo |
| Grupa Interwencyjno-Patrolowa | Patrol-Intervention Group | Poland | |
| (defunct) | Groupe d'Intervention de la Police | Police Intervention Group | Luxemburg |
| GIPA | Grup d'Intervencio Policia d'Andorra | Andorra Police Intervention Group | Andorra |
| GIPN | Groupe d'Intervention Police Nationale | Intervention Group National Police | France; Mali; Niger |
| GIR | Grupo de Intervencion y Rescate | Intervention and Rescue Group | Ecuador; Uruguay |
| Groupe d'Intervention Rapide | Rapid Intervention Group | France | |
| Groupe d'Intervention Régional | Regional Intervention Group | France | |
| GIRI | Grupo de Infanteria de Respuesta Inmediata | Immediate Response Infantry Group | Argentina |
| GIRP | Groupe d'Intervention et de Recherche de la Police | Police Intervention and Search Group | Belgium |
| GIS | Gruppo Intervento Speciale | Special Intervention Group | Italy |
| Groupe d'Interventions Spéciales | Special Interventions Group | Belgium | |
| GISP | Grupo de Intervençao e Segurança Prisional | Prison Intervention and Security Group | Portugal |
| GITE | Groupe d'Intervention Tireur d'élite | Intervention Group Sniper | Switzerland |
| GMG (defunct) | Groupe Mobile de la Gendarmerie | Gendarmerie Mobile Group | Luxemburg |
| GMO | Grup de Manteniment de l'Ordre | Order Maintain Group | Andorra |
| GNR | Guarda Nacional Republicana | National Republican Guard | Portugal |
| GOA | Gruppo Operativo Antidroga | Anti-Drugs Operation Group | Italy |
| GOE | Grupo de Operações Especiais | Special Operations Group | Portugal, Brazil |
| Grupo Operaciones Especiales | Special Operations Group | Ecuador; Panama; Spain; Argentina | |
| GOF | Grupo de Operaciones Fluviales | Water Operations Group | Ecuador |
| GOERA | Grupo Operativo Especial contra Robos y Asaltos | Special Operational Group against Robberies and Assaults | Mexico |
| GOES | Grupo Operaciones Especiales de Seguridad | Special Operations and Security Group | Spain; Colombia |
| GOI | Grupo Operacional de Intervención | Operational Intervention Group | Spain (Basque Province) |
| GOIA | Grupo Operatico de Intervencion y Apoyo | Operational Intervention and Support Group | Spain (Gran Canaria) |
| GOM | Gruppo Operativo Mobile | Mobile Operational Group | Italy |
| GOPE | Grupo de Operaciones de Policia Especiales | Special Police Operations Group | Chile |
| GOPES | Grupo de Operaciones Especiales | Special Operations Group | Mexico |
| GOR | Groupe d'Observation et Recherche | Observation and Search Group | France |
| GOS | Gruppo Operativo Speciale | Special Operations Group | Italy |
| Grupo Operaciones Seguridad | Security Operations Group | Spain | |
| GOST (part of RAID) | Groupe Opérationnel de Soutien Technique | Operational Technical Support Group | France |
| GOTTS | Gespecialiseerd Overbrengingsteam - Team Transfert Spécialisé | Specialised Transfert Team | Belgium |
| GPD | Groupe des Plongeurs-Démineurs | Divers and Deminers Group | France |
| GPE | Grupo de Policiamento Especializado | Specialised Police Group | Brazil |
| GPM | Groupe des Pelotons Mobiles | Group of Mobile Platoons | France |
| GRC | Gendarmerie Royale du Canada | =RCMP | Canada |
| GREIM | Grupo de Rescate e Intervencion en Montaña | Mountain Rescue and Intervention Group | Spain |
| GRI (part of RAID) | Groupe de Recherche et d'Information | Investigation and Information Group | France |
| GRIAR | Grupo de Respuesta Inmediata de Alto Riesgo | Immediate High Risk Response Group | Argentina |
| GRIE | Grupo de Reaccion Inmediata del Ejercito | Army Immediate Reaction Group | Paraguay |
| GRIF | Groupe d'Intervention Fribourg | Fribourg Intervention Group | Switzerland |
| GRIP | Groupe Rapide d'Intervention Police | Police Rapid Intervention Group | Belgium |
| GROM | Grupa Reagowania Operacyjno Mobilneyo | Operational Mobile Reaction Group | Poland |
| GRP | Grupa za Reagirane i Pronikvane | Reaction and Infiltration Group | Bulgaria |
| Grupo de Respuesta Policial | Police Response Group | El Salvador | |
| GRS | Grupa Represyjno-Szturmowa | Repression-Assault Group | Poland |
| GRU | Glavnoye Razvedovatel'noye Upravlenie | Main Intelligence Division | Russia |
| GSD | Garde de Sécurité Diplomatique | Diplomatic Security Guard | Switzerland |
| GSG 9 | Grenzschutzgruppe 9 | Border Guard Group 9 | Germany |
| GSIGN | Groupement de Sécurité et d'Intervention Gendarmerie Nationale | Security and Intervention Group National Gendarmerie | France; Mauritania |
| GSISGN | Groupe de Sécurité et d'Interventions Spéciales Gendarmerie Nationale | Security and Special Interventions Group National Gendarmerie | Madagascar |
| GSO | Groep Speciale Operaties | Special Operations Group | Belgium |
| Groupe Spécial d'Opérations ? | Special Operations Group | Cameroon | |
| GSP (defunct) | Groupement Spécial de la Police | Police Special Group | Luxemburg |
| GSPI | Grupul Special de Protectie si Interventie | Special Protection and Intervention Group | Romania |
| GSPR | Groupe de Sécurité de la Présidence de la République | Security Group for the President of the Republic | France |
| GSU | General Service Unit(s) | Ditto | Kenya |
| GTE | Grupo Tactico Especial | Special Tactical Group | Cuba |
| GTI | Groupe Tactique d'Intervention | =ERT | Canada |
| GUIN (now FSIN) |
Glawnoje Uprawlienije Ispolnienija Nakazanij | General Management of Correction | Russia |
| GZR | Grupa Zabezpieczenia Realizacji | Group of the Realisations Support | Poland |
H
| HBT | Hostage/Barricaded/Terrorist team | Ditto | USA |
| HEAT | Highrisk Entry Apprehension Team | Ditto | USA |
| Hard Entry and Tactics | Ditto | USA | |
| HMSU | Headquarters Mobile Support Unit | Ditto | Northern Ireland |
| HNT | Hostage Negotiation Team | Ditto | USA |
| HRT | Hostage Rescue Team | Ditto | USA |
| HvB | Huis van Bewaring | Arrest House | Netherlands |
I
| IAT | Interregionaal Arrestatieteam | Interregional Arrest Team | Netherlands |
| IBT | Intern Bijstandsteam | Internal Support Team | Netherlands |
| ICE | Immigration and Customs Enforcement | Ditto | USA |
| ICTF | Iraqi Counterterrorist Force | Ditto | Iraq |
| IDF | Israel Defense Forces | Ditto | Israel |
| IERT | Institutional Emergency Reaction Team | Ditto | Canada |
| IJP | Interventne Jedinice Policije | Intervention Police Units | Serbia |
| IKOR | Interventiegroep Kortrijk | Intervention Group Kortrijk | Belgium |
| IPF | Iraq Police Force | Ditto | Iraq |
| ISD | Internal Stability Division (= ABS) | Ditto | South Africa |
| ISP | Institution Suisse Police | Swiss Police Institution | Switzerland |
| IVE | Interventionseinheit | Intervention Unit | Liechtenstein |
J
| JEG | Justizwache Einsatzgruppe | Correction Department Special Group | Austria |
| JOAK | Jandarma Komando Özel Asayit Komutanlydy | Gendarmerie Commando Special Public Order Command | Turkey |
| JOSTF | Joint Special Operations Task Force | Ditto | Philippines |
| JOZ | Jednotka Operativniho Zasahu | Operational Interference Unit | Czech Republic |
| JSO (defunct) |
Jedinica za Specijalne Namene | Special Purpose Unit | Serbia-Montenegro |
| JTF 2 | Joint Task Force 2 (=FOI 2) | Ditto | Canada |
K
| KAT | Kompania Antyterrorystyczna | Anti-terrorist Company | Poland |
| KBI | Központi Bűnüldözési Igazgatóság | Central Investigation Office | Hungary |
| KCT | Korps Commando Troepen | Commando Troops Corps | Netherlands |
| KGP | Komenda Glowna Policji | National Police Command | Poland |
| KGSG | Komenda Glowna Strazy Granicznej | Border Guard General Command | Poland |
| KLPD | Korps Landelijke Politiediensten | Corps National Police Services | Netherlands |
| KMP | Komenda Miejska Policji | City Police Command | Poland |
| KNB | Komitet Narodnoj Bezopasnosti | Comity of National Security | Kazachstan |
| KPP | Komenda Powiatowa Policji | District Police Command | Poland |
| KPS | Kosovo Police Service | Ditto | Serbia & Montenegro |
| KSK | Kommando Spezialkräfte | Commando Special Forces | Germany |
| KSP | Komendy Stolecznej Policji | Capital Police Department | Poland |
| KWP | Komenda Wojewodzka Policji | Provincial Police Headquarters | Poland |
| Kompania Patrolowo Interwencyjna | Patrol Intervention Company | Poland |
L
| LAPD | Los Angeles Police Department | Ditto | USA |
| LBB | Landelijke Bijzondere Bijstandseenheid | Regional Special Support Unit | Netherlands |
| LKA | Landeskriminalamt | Regional Criminal Investigation | Germany |
M
| MBC | Ministerstvo Vnutrishnih Sprav | Ministry of Internal Affairs | Ukraine |
| MBP | Ministerstwo na Wtresznite Raboti | Ministry of Internal Affairs | Bulgaria |
| MBT (now COBRA) |
Multifunctioneel Bijstandsteam | Multifunctional Support Team | Belgium |
| Maritiem Bom Team (?) | Maritime Bomb Team | Netherlands | |
| ME | Mobiele Eenheid | Mobile Unit | Netherlands |
| MEG | Mobiles Einsatzgruppe | Mobile Special Group | Germany |
| MEK | Mobiles Einsatzkommando | Mobile Special Commando | Austria, Germany |
| MET | Mobile Enforcement Team | Ditto | USA |
| MIAU = MMAD |
Mobile Immediate Action Unit | Ditto | Cyprus |
| MIT | Maritiem Interventie Team | Maritime Intervention Team | Netherlands |
| MMAD = MIAU |
Mihanikiniti Monada Amesis Drasis | Mobile Immediate Action Unit | Cyprus |
| MOGAT | Mokotowska Grupa Antyterrorystyczna | Antiterrorist Group Mokotow (=city quarter of Warsaw) | Poland |
| MPE | Mobiele Politie Eenheid | Mobile Police Unit | Belgium |
| MSD | Mobile Security Division | Ditto | USA |
| MSST | Maritime Safety and Security Team | Ditto | USA |
| MSU | Mobile Support Unit | Ditto | Northern Ireland |
| Multinational Specialized Unit | Ditto | Italy | |
| MTA | Metropolitan Transportation Authority | Ditto | USA |
| MUP | Ministarstvo Unutrasnjih Poslova | Ministry of Interior | Serbia; Croatia |
| MUP HR HB | Ministarstvo Unutrasnjih Poslova Hrvatske Republike Herceg Bosne | Ministry of Interior Croatian Republic in Bosnia-Herzegovina | Croatia |
| MVD | Ministerstvo Vnutrennih Del | Ministry of Internal Affairs | Russia; Belarus |
| MYC | Ministerstvo Unutrennih Sprav | Ministry of Internal Affairs | Belarus |
N
| NCINTF | North Central Iowa Narcotics Task Force | Ditto | USA |
| NEDEX | Neutralisation et Destruction des Explosifs | Explosives Neutralisation and Destruction | France |
| NGW | Nieetatowa Grupa Wsparcia | None-permanent Support Group | Poland |
| NI (fully ONI) | Nationella Insatsstyrkan | ? | Sweden |
| NIPAS | Northern Illinois Police Alarm System | Ditto | USA |
| NOCS | Nucleo Operativo Centrale de Sicurezza | Central Security Operations Group | Italy |
| NOI | Nieetatowe Ogniwo Interwencyjne | Non-permanent Intervention Tie | Poland |
| NSBOP | Nacionalna Sluzba Borba s Organiziranata Priestpnost | National Service for Struggle against Organised Crime | Bulgaria |
| NSG | National Security Guards | Ditto | India |
| NTSU | National Technical Support Unit | Ditto | Belgium |
| NYPD | New York Police Department | Ditto | USA |
O
| OBT | Overlastbestrijdings- en Beschermingsteam | Inconvenience Fight and Protection Team | Belgium |
| OCRB | Office Centrale de Répression du Banditisme | Central Bureau for Repression of Banditism | France |
| OE | Ondersteuningseenheid | Support Unit | Netherlands |
| OEZ | Observationseinheit Zoll | Customs Observation Unit | Germany |
| OIJ | Organismo de Investigacion Judicial | Judicial Investigation Organism | Costa Rica |
| OMON | Otryad Militsii Osobennogo Naznacheniya | Special Operations State Militia | Russia; Belarus; Kazachstan; Kyrgyzstan; Uzbekistan |
| OMSN | Otriad Milicji Spiecjalnogo Naznachienija | Militia Special Purpose Unit | Russia |
| ONI (=NI) | Ordningspolisens Nationella Insatsstyrkan | ? | Sweden |
| OP | Oddzial Prewencji | Riot Unit | Poland |
| OPP | Ontario Provincial Police | Ditto | Canada |
| OPA | Odbor Policajnych Akcii | Division of Police Actions | Slovakia |
| OPKE | Omadas Prolhchs kai Katapolemhshs Egklhmatikothtas | Tactical Unit to Prevent Criminality | Greece |
| ORFK | Országos Rendor Fokapitányság | Hungarian Police Headquarters | Hungary |
| OSC | Oddeleni Specialnich Cinnosti | Special Actions Unit | Czech Republic |
| OSCE | Organisation for Security and Co-operation in Europe | Ditto | Europe |
| OSG | Oddzial Strazy Granicznej | Border Guard Unit | Poland |
| OSN | Otriad Spiecjalnogo Naznachienija | Special Purpose Unit | Russia |
| OSNAZ | Osobovo Naznacheniya | Special Purpose Detachment | Russia |
| OTE | Omada Tahias Epemvasis | Quick Reaction Unit | Cyprus |
| OUSO |
Unidade Táctica de Intervenção da Polícia |
Tactical Police Intervention Unit | Macau |
| OVSE | Organisatie voor Veiligheid en Samenwerking in Europa | =OSCE | Europe |
| OYK | Omades Ypovrychion Katastrofon | Combat Diver Team | Greece |
P
| PAB | Peloton Anti-banditisme | Anti-banditism platoon | Belgium |
| PAP | People's Armed Police | Ditto | China |
| PARU | (Border) Police Aerial Reinforcement Unit | Ditto | Thailand |
| PASKAL | Pasukan Khas Laut | Special Forces Marine | Malaysia |
| PASKAU | Pasukan Khas Udara | Special Forces Air Force | Malaysia |
| PAT | Pododdział Antyterrorystyczny | Anti-terrorist sub-unit | Poland |
| PATU | Police Anti-terrorist Unit | Ditto | Former Rhodesia |
| PCO | Pult Centralni Ochrany | ? | Czech Republic |
| PE | Politiets Efterretningstejeneste | ? | Denmark |
| PEA (now UEA) | Policia Especial de Apoyo | Special Police Support | Costa Rica |
| PEK | Polizei-Einsatzkommando | Police Special Commando | Austria |
| PERT | Prison Emergency Response Team | Ditto | USA |
| PET | Polieterts Efterretnigs Tjeneste | ? | Denmark |
| PGR | Procuraduria General de la Republica | Attorney General of the Republic | Mexico |
| PI | Penitentiaire Inrichting/Instelling | Correctional Facility | Netherlands |
| Pelotão Intervenção | Intervention Platoon | Portugal | |
| PI2G | Peloton d'Intervention Deuxième Génération | Intervention Platoon Second Generation | France |
| PI(GN) | Peloton d'Intervention (Gendarmerie Nationale) | Intervention Platoon (National Gendarmerie) | France |
| PIGR | Peloton d'Intervention Garde Républicaine | Intervention Platoon Republican Guard | France |
| PIOG | Politie Instituut voor Orde en Gezagsbeheersing | Police Institute for Order and Authority Control | Netherlands |
| PIOV | Politie Instituut voor Openbare Orde en Veiligheid | Police Institute for Public Order and Security | Netherlands |
| PIR | Police d'Intervention Rapide | Rapid Intervention Police | Congo Democratic Republic |
| Polícia de Intervenção Rápida | Rapid Intervention Police | Angola | |
| PJP | Posebna Jedinica Policije | Special Police Unit | Yugoslavia |
| PLI (old name of ELI) |
Peloton Léger d'Intervention | Light Intervention Platoon | France |
| PMAM | Policia Militar Amazonas | Military Police (= State Police) Amazonas | Brazil |
| PMJ | Pohotovostni Motorizovana Jednotka | Alert Motorized Unit | Czech Republic |
| PMPE | Policia Militar Pernambuco | Military Police (=State Police) Pernambuco | Brazil |
| PNP | Policia Nacional de Peru | National Police of Peru | Peru |
| PNT | Police Negotiation Team | Ditto | New Zealand |
| POSG | Pomorski Oddzial Strazy Granicznej | Pomeranian Border Guard Unit | Poland |
| POE (now COE) |
Pelotão des Operaçoes Especiais | Special Operations Platoon | Portugal |
| POSA | Protectie Observatie Steun Arrestatie (Dutch) | Protection Observation Support Arrest | Belgium |
| Protection Observation Support Arrestation (French) | See above | Belgium | |
| PPI | Proteccion de Personalidades Importantes | VIP Protection | El Salvador |
| PPJ | Pohotovostni Poradkova Jednotka | Emergency Order Unit | Czech Republic |
| PPU | Pohotovostny Policajny Utvar | Alert Police Unit | Slovakia |
| PRO-BEV | Protection-Beveiliging | Protection Unit | Belgium |
| PSI | Peloton Surveillance Intervention | Surveillance Intervention Platoon | France |
| PSIG | Peloton de Surveillance et d'Intervention Gendarmerie | Gendarmerie Surveillance and Intervention Platoon | France |
| PSK | Präzisionsschützenkommandos | Sniper Commandos | Germany |
| PSNI | Police Service Northern Ireland (former RUC) | Ditto | Northern Ireland |
| PSP | Policia de Segurança Publica | Public Security Police | Portugal |
| PSSN | Peloton de Sécurité et de Surveillance Nucléaire | Nuclear Security and Surveillance Platoon | France |
| PTJ | Protiv Teroristicke Jedinice | Counterterrorist Unit | Serbia |
| Policia Technico Judicial | Judicial Technical Police | Venezuela | |
| PU | Policijska Uprava | Police Directorate | Croatia |
| PUZ | Policijska Uprava Zagrebacka | Police Center Zagreb | Croatia |
| PVE | Provinciale Verkeerseenheid | Provincial Traffic Unit | Belgium |
Q
| QPNT | Queensland Police Negotiation Team | Ditto | Australia |
| QRT | Quick Response Team | Ditto | USA |
R
| RAID | Recherche Assistance Intervention Dissuasion | Search, Assistance, Intervention, Dissuasion | France; Benin |
| RCIPS | Royal Cayman Islands Police Service | Ditto | Cayman Islands |
| RCMP | Royal Canadian Mounted Police (= GRC) | Ditto | Canada |
| REBISZ | Rendészeti Biztonsági Szolgálat | Police Security Volunteers | Hungary |
| RENEA | Reparti i Eleminimit dhe Neutralizimit te Elementit te Armatosur | Corps of elimination and the neutralization of armed elements | Albania |
| ROG | Regionale Ondersteuningsgroep | Regional Support Group | Netherlands |
| ROS | Raggruppamento Operativo Speciale | Special Operational Task Force | Italy |
| Reparti i Operacioneve Speciale | Special Operations Group | Albania | |
| ROSN | Regionalnyj Otdiel Spiecjalnogo Naznachienija | Regional Department of Special Purpose | Russia |
| ROTAM | Rondas Taticas Metropolitana | Metropolitan Tactical Patrol | Brazil |
| ROTOR | Regionaal Observatie Team d'Observation Régional | Regional Observation Team | Belgium |
| RTSU | Regional Technical Support Unit | Ditto | Belgium |
| RUC | Royal Ulster Constabulary (now PSNI) | Ditto | Northern Ireland |
| RUD | Raggruppamento Unita Difesa | Defense Units Group | Italy |
S
| SAF | Special Action Force | Ditto | Signapore |
| SAFE | Special Action for Emergency | Ditto | USA |
| SAG | Special Assignments Group | Ditto | Malta |
| SAP | South Africa Police | Ditto | South Africa |
| SAS | Special Air Service | Ditto | UK |
| Special Antiterrorist Squad | Ditto | Cyprus | |
| SASR | Special Air Service Regiment | Ditto | Australia |
| SAT | Special Assault Team | Ditto | Japan |
| Sekcja Antyterrorystyczna | Antiterrorist Section | Poland | |
| Squadra Anti Terrorismo | Anti-terrorist Squadron | Italy | |
| SAU | Special Assignments Unit | Ditto | USA, Malta |
| SBPOK | Sluzba za Borbu Protiv Organizovanog Kriminala | Department for fighting against Organised Crime | Serbia-Montenegro |
| SBS | Special Boat Service | Ditto | UK |
| SBU | Sluzhba Bezpeki Ukrainy | Ukraine Security Service (State Security) | Ukraine |
| SCO | Servizio Centrale Operativo | Central Operational Service | Italy |
| SDU | Special Duties Unit | Ditto | Hong Kong |
| SE | Sondereinheit | Special Unit | Switzerland |
| SEA | Salzburger Einsatzabteilung | Salzburg Special Employment Department | Austria |
| SEG | Sondereinsatzgruppe | Special Operations Group | Austria |
| SEK | Sondereinsatzkommando | Special Operations Commando | Germany |
| Spezialeinsatzkommando | Special Operations Commando | Germany | |
| SERA | Sección Especial de Reacción y Apoyo | Special Reaction and Support Section | Spain |
| SERT | Sheriff's (Department) Emergency Response Team | Ditto | USA |
| Special Emergency Response Team | Ditto | USA, Australia | |
| Specialist Emergency Response Team | Ditto | Australia | |
| State Emergency Response Team | Ditto | USA | |
| SET | Special Enforcement Team | Ditto | USA |
| SFE | Seccion Fuerzas Especiales | Special Forces Section | Argentina |
| SF Gp | Special Forces Group | Ditto | Belgium |
| SFO | Specialist Firearms Officer | Ditto | UK |
| SFOD-D | Special Forces Operational Detachment-Delta | Ditto | USA |
| SG | Sondergruppe | Special Group | Switzerland |
| Straz Graniczna | Border Guard | Poland | |
| SGIT | Specjalna Grupa Interwencyjno-Taktyczna | Special Intervention-Tactical Group | Poland |
| SGT | Special Guard Team | Ditto | Korea |
| SIAS | Serviciul de Interventie si Actiuni Speciale | Special Interventions and Operations Service | Romania |
| SIE | Speciaal Interventie Eskadron (=ESI) | Special Intervention Squadron | Belgium |
| Snelle Interventie Eenheid | Quick Intervention Unit | Netherlands | |
| SIR | Sekcja Interwencyjna Radom | Intervention Section Radom | Poland |
| SIU | Special Incidents Unit | Ditto | USA |
| SJP | Specijalna Jedinica Policije | Special Police Unit | Croatia; Serbian Bosnia |
| SMU | Special Mobile Unit | Ditto | Malta |
| SOBR (now OMSN) |
Spezialnyj Otrjad Bystrogo Reagirovanija | Special Rapid Reaction Unit | Russia; Tadjikistan |
| SOD | Special Operations Division | Ditto | USA |
| SOG | Special Operations Group | Ditto | Estonia; USA; South Africa; Australia; Czech Republic; Zambia |
| SON | Skupina Operativniho Nasazeni | ? | Czech Republic |
| SORT | Special Operations Response Team | Ditto | USA |
| Special Operations, Response & Tactics | Ditto | USA | |
| SOT | Special Operations Team | Ditto | USA, Australia |
| SOU | Special Operations Unit | Ditto | USA |
| SPAP | Samodzielny Pododdział Antyterrorystyczny Policji | Independant Police Anti-terrorist Unit | Poland |
| SPAT (now SPAP) |
Samodzielny Pododdział Antyterrorystyczny | Independant Anti-terrorist Unit | Poland |
| Samodzielny Pluton Antyterrorystyczny | Independant Anti-terrorist Platoon | Poland (CPL Okecie) | |
| SPC | Spoorwegpolitie - Police des Chemins de fer | Railway Police | Belgium |
| SPCUM (now SPVM) |
Services
de Police Communauté Urbaine de Montréal |
Police Services Montréal Urban Community | Canada |
| SPHP | Service de Protection des Hautes Personnalités | Service for Protection of High Personalities | France |
| SPII | Special Police Immediate Intervention | Ditto | Costa Rica |
| SPIR | Serviciul Politiei pentru Interventie Rapida | Police Service for Rapid Intervention | Romania |
| SPJ | Stala Poradkova Jednotka | Fast ? Unit | Czech Republic |
| SPSU | State Protection Support Unit | Ditto | Australia |
| SPU | Special Police Unit | Ditto | UN CivPol Kosovo |
| SPVM | Service de Police de la Ville de Montréal | Police Service City of Montréal | Canada |
| SRI | Serviciul Român de Informaţii | Romanian Intelligence Service | Romania |
| SRS | Specialist Response and Security | Ditto | Australia |
| SRT | Special Reaction Team | Ditto | USA |
| Special Response Team | Ditto | USA | |
| Strategic Reaction Team | Ditto | USA | |
| SRU | Special Response Unit | Ditto | USA |
| SSAT | Samodzielna Sekcja Antyterrorystyczna | Independant Antiterrorist Section | Poland |
| SSF | Special Security Force | Ditto | Qatar |
| STAR | Special Tactical And Rescue | Ditto | Signapore, USA |
| Special Tactics And Response | Ditto | USA | |
| Special Tactics, Arrest and Rescue | Ditto | USA | |
| START | Special Tactics And Rescue Team | Ditto | USA |
| STEP | Speziell Taktischer Einsatz Polizei | Special Tactical Task Police | Switzerland |
| STF | Special Task Force | Ditto | South Africa, India |
| STOP | Special Tactics and OPerations team | Ditto | USA |
| STU | Special Task Unit | Ditto | USA |
| SUGIT | Specjalna Uzbrojona Grupa Interwencyjno-Taktyczna | Special Armed Intervention-Tactical Group | Poland |
| SWAPOL | South West Africa Police | Ditto | South Africa |
| SWAT | Special Weapons and Tactics | Ditto | USA; Canada; Taiwan; Mexico; Philippines; South Africa |
| Special Weapons Attack Team | Ditto | Mongolia | |
| SWET | Schuss Waffen Einsatz Trainer | Firearms Instructor | Germany |
| SWOS | Special Weapons and Operations Squad | Ditto | Australia |
T
| TABO | Tactisch Agressie Beheersing Ordehandhaving | Tactical Agression Control and Public Order unit | Belgium |
| TACT | Tactical Arrest and Confrontation Team | Ditto | USA |
| TAE | Taticas e Armas Especiais | Special Arms and Tactics | Brazil |
| TAG | Tactical Aid Group | Ditto | UK |
| Tactical Assault Group | Ditto | UK; Australia | |
| TAPIR | Tacticas y Armas Policiales de Intervencion y Rescate | Police Arms and Tactics Intervention and Rescue | Nicaragua |
| TARES | Tactical Response | Ditto | Belgium |
| TAU | Tactical Aid Unit | Ditto | UK |
| TCL | Tecnica Caduta Libera | Free Jump Operator | Italy |
| TE | Tireur d'élite | Sniper | Switzerland |
| TEIDA (defunct, now EKAM) | ? | Special Operations Group | Greece |
| TESZ | Terrorelhárító Szolgálat | Anti-Terror Volunteer | Hungary |
| TFG | Tactical Firearms Group | Ditto | UK |
| TFU | Tactical Firearms Unit | Ditto | UK |
| TIGRE | Tatico Integrado de Grupos de Repressão Especial | Tactical Integration of Special Repression Groups | Brazil |
| Taticos Integrados de Resgate Especial | Tactical Integration of Special Rescue | Brazil | |
| TIN | Teen-Insurgensie | Counter-Insurgency | South Africa |
| TOE | Tropas de Operaciones Especiales | Special Operations Troops | Argentina |
| TOU | Tactical Operations Unit | Ditto | USA |
| TPI | Tactische Politie Interventie | Tactical Police Intervention | Belgium |
| TRG | Tactical Response Group | Ditto | Australia |
| TRT | Tactical Response Team | Ditto | USA |
| TRU | Tactics and Rescue Unit | Ditto | Canada |
| TSU | Tactical Support Unit | Ditto | Iraq |
| TTCS | Taktikai Csoport | Tactical Group | Hungary |
U
| UBPOK (now SBPOK) |
Uprawa za Borbu Protiw Organiziraniot Kriminal | Department for fighting against Organised Crime | Serbia-Montenegro |
| UCD | Unidad Control Disturbio | Disturbance Control Unit | Puerto Rico |
| UCI | Unidad Central de Intervencion | Central Intervention Unit | Spain |
| UCT | Undercoverteam | Ditto | Belgium |
| UDIPO | Unidad de Intervencion Policial | Police Intervention Unit | Spain |
| UEA | Unidad Especializada Antisecuestros | Specialised Anti Hostage Unit | Mexico |
| Unidad Especial de Apoyo | Special Support Unit | Costa Rica | |
| UEH | Utrykningsenhetene | ? | Norway |
| UEI | Unidad Especial de Intervencion | Special Intervention Unit | Spain; Costa Rica |
| Unitat Especial Intervencio | Special Intervention Unit | Spain | |
| UELCON | Unidad Especial de Lucha contra Narcotraficante | Special Unit for the Struggle againts Narcotics Dealers | Argentina |
| UFE (now GAP) |
Unidad Fuerzas Especiales | Special Forces Unit | Panama |
| Unidad de Fuerzas Especiales | Special Forces Unit | Mexico | |
| UIE | Unidad de Investigaciones Especiales | Special Investigations Unit | Ecuador |
| UIGN | Unité d'Intervention Gendarmerie Nationale | National Gendarmerie Intervention Unit | Côte d'Ivoire |
| UII | Unitat d'Intervencio Immediata | Immediate Intervention Unit | Spain |
| UIM (former BBE) | Unit Interventies Mariniers | Marines Interventions Unit | Netherlands |
| UIP | Unidad Intervencion Policial | Police Intervention Unit | Spain; Costa Rica |
| UKAEA (now CNC) |
United Kingdom Atomic Energy Authority | Ditto | UK |
| UKS | Urzad Kontroli Skarbowej | Office of the Treasury Control | Poland |
| UMIP | Unité Mobile d'Intervention et de Protection | Mobile Intervention and Protection Unit | France |
| UMO | Unidad de Mantenimiento del Orden | Maintain Order Unit | El Salvador |
| UMOPAR | Unidad Mobil de Policia Rural | Mobile Unit of the Rural Police | Argentina; Bolivia |
| UMS | Unité Mobile de Sécurité | Mobile Security Unit | France |
| UNESA | Unidad Especial en Aprehensiones | Special Apprehension Unit | Mexico |
| UNIPOL | Unidad de Intervencion Policial | Police Intervention Unit | Spain (Tenerife) |
| UNMIK | United Nations Mission in Kosovo | Ditto | Kosovo |
| UOE | Unidad de Operaciones Especiales | Special Operations Unit | Panama; Puerto Rico; Spain |
| UOP | Urzad Ochrony Panstwa | Office of the State Protection | Poland |
| UOT | Unidad Operaciones Tacticas | Tactical Operations Unit | Puerto Rico |
| UOU | Utvar Osobitneho Urcenia | Unit for Special Assignments | Slovakia |
| UPE | Unidad de Proteccion Especial | Special Protection Unit | Peru |
| URNA | Utvar Rychleho NAsazeni | Rapid Response Formation (Unit) | Czech Republic |
| USCI | Unidad Seguridad Ciudadana e Intervençion | Urban Security and Intervention Unit | Spain |
| USEP | Unidad de Servicios Especiales Penitenciarios | Penitentiary Special Services Unit | Chile |
| USG | Unterstützungsgruppe Grenzdienst | Operational Support Group Border Control | Austria |
| USI | Unité Spéciale d'Intervention | Special Intervention Unit | Gabon; Madagascar |
| USK | Unterstützungskommando | Support Commando | Germany |
| USLA | Unităţii Speciale de Luptă Antiteroristă | Special Anti-terrorist Fighting Unit | Romania |
| USP | Unité(s) Spéciale(s) | Special Unit(s) | Luxemburg |
| UTO | Unidad Tactica de Operativa | Tactical Operation Unit | El Salvador |
V
| VACIS | Vehicle and Container Inspection System | Ditto | Canada |
| VAG | Vaardigheden Aanhouden in Groepsverband | Specialist Apprehension Teamwork | Netherlands |
| VDKP | Veiligheidsdetachement Koninklijke Paleizen | Security Detachment Royal Palace | Belgium |
| VP | Vojenska Policie | Military Police | Czech Republic |
W
| WEGA | Wiener Einsatzgruppe Alarmabteilung | Vienna Special Employment Group Alert Department | Austria |
| WW | Wydzial Wywiadowczy | Intelligence Division | Poland |
| Wnutriwszi Wijska | Interior Troops | Ukraine |
X
Y
Z
| ZAMGAT | Zamojska Grupa Antyterrorystyczna | Zamosc Anti-terrorist Group | Poland |
| ZDS | Zespol do Dzialan Specjalnych | Team for Special Activities | Poland |
| ZFA | Zollfahndungsamt | Customs Service | Germany |
| ZIS | Zespol Interwencji Specjalnych | Special Intervention Team | Poland |
| ZOA (old name = BOA) |
Zarzad Operacji Antyterrorystycznych | Anti-Terrorist Operations Management | Poland |
| ZOS | Zarzad Operacyjno-Sledczy | Operations-Investigations Management | Poland |
| ZTZ | Zentrale Technikgruppe Zoll | Customs Central Technical Support Group | Germany |
| ZUZ | Zentrale Unterstützungsgruppe Zoll | Customs Central Operational Support Group | Germany |
| ZVJS | Zbor Vazenskei a Justicnej Stráze | Prison and Justice Guards Corps | Slovakia |