Defunct intelligence agencies include the following: The list of this article is not exhaustive.

Agencies by country

Afghanistan

  • Istikhbarat (–1978)
  • Da Afghanistan da Gato da Saatane Adara (AGSA) (1978–1979)
  • KhAD-e-Nezami (Military Intelligence) (1978-1992)
  • Komite-ye Amniyat-e Melli (KAM) (1979)
  • Khedamat-e Etelea'at-e Dawlati (KhAD) (1980–1987)
  • Wazarat-e Amaniat-e Dowlati (WAD) (1986–1992)
  • National Directorate of Security (NDS) (2002–2021)

Albania

  • Drejtorija e Sigurimit të Shtetit (Sigurimi) (Directorate of State Security) (1944–1991)

Algeria

  • Department of Intelligence and Security (DRS) (1962–2016)

Argentina

  • Batallón de Inteligencia 601 (601 Intelligence Battalion) (late 1970s–2000)
  • Central Nacional de Inteligencia (CNI) (National Intelligence Center) (–2001)
  • Coordinación de Informaciones de Estado (CIDE) (State Information Coordination) (1946–1955)
  • División de Informaciones (Information Division) (1946–1955)
  • Secretaría de Informaciones de Estado (SIDE) (Secretariat of State Information) (1955–1956)

Austro-Hungarian Empire

  • Evidenzbureau (1850–1918)

Azerbaijan

  • Ministry of National Security (1991-2015)

Brazil

  • Serviço Nacional de Informações (SNI) (National Information Service) (1964–1990)
  • Departamento de Operações Internas-Centro de Operações de Defesa Interna (DOI-CODI) (Internal Operations Department-Centre for Internal Defence Operations) (1969–1984)
  • Subsecretaria de Inteligência (SSI) (Sub-Secretariat of Intelligence) (1990–1995)

Bulgaria

  • Durzhavna Sigurnost (DS) (1964–1989)

Canada

  • RCMP Security Service (1950–1984)

Chile

  • Dirección de Inteligencia Nacional (DINA) (National Directorate of Intelligence) (1973–1977)
  • Central Nacional de Inteligencia (CNI) (National Intelligence Center)

China and Taiwan

  • Embroidered Uniform Guard (1368–1645)
  • Eastern Depot (1420–1644)
  • Bureau of Investigation and Statistics (1927–1946)
  • National Committee of Investigations and Statistics (1935–1949)
  • Taiwan Garrison Command (1945–1992)

Colombia

  • Departamento Administrativo de Seguridad (DAS) (Administrative Department of Security) (1960–2011) (Succeeded by National Intelligence Directorate DNI)

Confederate States of America

  • Confederate Secret Service (1861–1865)

Czechoslovakia

  • Federal Directorate of Intelligence Services (FSZS)
  • Hlavni Sprava Rozvedky (HSR)
  • Státní Bezpečnost (StB) (1945–1990)

Dutch East Indies

  • Politieke Inlichtingendienst (PID) (1916–1945)

Ecuador

  • National Intelligence Secretariat (SENAIN) (2009–2018)

Egypt

  • State Security Investigations Service (SSIS) (1913–2011) (succeeded By National Security Agency - Egypt Since 2011)

Finland

  • Ministry of Interior
  • Etsivä keskuspoliisi (EK, 1919–1938)
  • Valtiollinen poliisi (Valpo I, 1939–1944)
  • Red Valpo (Valpo II, 1944–1948)
  • Finnish Defence Forces
  • Intelligence Research Establishment (VKoeL, 1960–2014) – Viestikoelaitos / Signalprovanstalten
  • Ministry of Defence
  • Military Intelligence Service (PVTK, 2007–2014) – Pääesikunnan tiedusteluosasto

France

  • Secret du Roi (King's Secret) (1746-1774)
  • Deuxième Bureau (Second Bureau) (1871–1940)
  • Renseignements Généraux (General Intelligence - RG) (1937–2008) (Merged mainly with DST into Central Directorate of Interior Intelligence)
  • Bureau Central de Renseignements et d'Action (Central Bureau of Intelligence and Operations) (BCRA) (1940-1943), existed under different names along its existence. BCRA is the most known.
  • (General Directorate of Special Services) (DGSS) (1943-1944)
  • Direction Générale des Études et Recherches (General Directorate for Studies and Research) (DGER) (1944-1945)
  • Service de Documentation Extérieure et de Contre-Espionnage (External Documentation and Counter-Espionage Service) (SDECE) (1945–1982)
  • Direction de la Surveillance du Territoire (Directorate of Territorial Surveillance) (DST) (1944–2008)
  • Co-ordination unit of the fight against terrorism (Unité de coordination de la lutte anti-terroriste) (UCLAT) (1984-2020)
  • Direction centrale du renseignement intérieur (Central Directorate of Interior Intelligence) (DCRI) (2008-2014) (Predecessor of General Directorate for Internal Security)
  • Sous-direction de l'information générale (Sub-directorate of general information) (SDIG) (2008-2014) (One of the successor of General Intelligence)
  • Service central du renseignement territorial (Central Territorial Intelligence Service) (SCRT) (2014-2023) (The successor is ) (National Directorate of Territorial Intelligence)

Federal Republic of Germany (West Germany)

  • Gehlen Organization ("The Org", "Zipper") (1946–1956)
  • (ANBw/ZNBw) (1956-2007)

German Democratic Republic (East Germany)

  • Ministerium für Staatssicherheit (MfS or Stasi) (Ministry for State Security) (1950–1990)
  • Main Directorate for Reconnaissance (HVA) (1955–1990)
  • Military Intelligence of the National People's Army (Militärische Aufklärung der Nationalen Volksarmee) (1956–1990)

German Reich

  • Abwehr (1920–1945)
  • Abteilung Fremde Heere Ost (Department Foreign Armies East) (1938–1945)
  • Geheime Staatspolizei (Gestapo) (Secret State Police) (1933–1945)
  • Geheime Feldpolizei (GFP) (Secret Field Police) (1939–1945)
  • Sicherheitsdienst (SD) (Security Service) (1931–1945)
  • Reichssicherheitsdienst (RSD) (Reich Security Service) (1933–1945)
  • B-Dienst (Observation Service) (1918–1945)
  • Naval Intelligence Service, also called Nachrichten-Abteilung (1899–1919)
  • Abteilung III b (Department III b) (1889–1918)
  • Prussian Secret Police (1851–1933)

Haiti

  • Service d'Intelligence National (SIN) (National Intelligence Service) (1986–1991)

Hong Kong

  • Special Branch (1930–1995)

Hungary

  • Államvedélmi Osztály (ÁVO) (State Protection Department) (1948–1956)
  • Államvédelmi Hatóság (ÁVH) (State Protection Authority) (1945–1956)

Israel

  • ha-Lishka le-Kishrei Mada (Lekem or Lakam) (Bureau of Scientific Relations) (1957–1986)

Italy

  • Organizzazione per la Vigilanza e la Repressione dell'Antifascismo (OVRA) (1927–1945)
  • Servizio Informazioni Militare (SIM) (1925–1949)
  • Servizio Informazioni Segrete (SIS) (1931–1943)

Indonesia

  • Komando Pemulihan Keamanan dan Ketertiban (Kopkamtib) (1965–1988)
  • Badan Koordinasi Stabilitas Nasional (Bakorstanas) (1988–2000)

Iran

  • Sazeman-i Ettelaat va Amniyat-i Keshvar (SAVAK) (National Organization for Intelligence and Security) (1957–1979)
  • Rokn-e-Dovvom (Second Bureau) (1926–1979)

Iraq

  • Al-Amn al-‘Amm (Directorate of General Security) (1922–2003)
  • Al-Amn al-Khas (Special Security Organization) (1983–2003)
  • Al-Istikhabarat al-'Askariyya (Directorate of General Military Intelligence) (1932–2003)
  • Jihaz Al-Mukhabarat Al-A'ma (Iraqi Intelligence Service) (1973–2003)

Ireland

  • Free State Army Intelligence Department ("Oriel House") (1921–1923)
  • Criminal Investigation Department (CID) (1921–1923)
  • Citizens' Defence Force (1922)

Japan

  • Kempeitai (1881–1945)
  • Tokkeitai
  • Tokkō (1911–1945)

Libya

  • Jamahiriya el-Mukhabarat (–2011)

Malaysia

  • Malayan Security Service (1939–1948)

Manchukuo

  • Hoankyoku (1937–1945)

Netherlands

  • Binnenlandse Veiligheidsdienst (BVD) (Interior Security Service) (1947–2002)
  • Inlichtingendienst Buitenland (IDB) (Foreign Intelligence Service) (1946–1994)
  • Netherlands East Indies Forces Intelligence Service (NEFIS) (1942–1945)
  • Netherlands Indies Government Information Service (NIGIS) (1942–1945)

Ottoman Empire

  • Teşkîlât-ı Mahsûsa (1913–1918)

Panama

  • Policia Secreta Nacional (PSN) (La Secreta) (1909–60s first government secret agency)
  • Guardia Silenciosa Panameñista (GUSIPA) (1930–40s short-lived secret service)
  • 1.Estado Mayor Personal/Sec."E" Asuntos de Seguridad Nacional of PFD General Command
  • Sub Jefatura de Inspectoria General of PFD General State Major Chieftain
  • Comando General de la Comision de Defensa y Seguridad (COGECODESE) (security, defense and intelligence PNG/PFD main entity)
  • Estado Mayor General ('Inteligencia') (G-2) (1950–80s PNG/PDFs military intelligence)
  • Departamento Nacional de Investigaciones (DENI) (1960–1989)

Philippines

  • Philippine Constabulary – Office of Special Investigations (PC-OSI) (1901–1991)
  • Philippine Constabulary – National Constabulary Investigations Service (PC-NCIS) (1901–1936)
  • Civil Intelligence and Security Agency (CISA) (1972–1987)