Below is the list of World’s Famous Intelligence Agencies with the name of their countries.
| S. No. | Intelligence Agency | Country |
| 1. | National Directorate of Security (NDS) | Afghanistan |
| 2. | Secretariat of Intelligence (SI) | Argentina |
| 3. | National Intelligence School (ENI) | Argentina |
| 4. | Abwehramt | Austria |
| 5. | Australian Security and Intelligence Organisation (ASIO) | Australia |
| 6. | Directorate General of Forces Intelligence (DGFI) | Bangladesh |
| 7. | Canadian Security Intelligence Service (CSIS) | Canada |
| 8. | Central External Langa Department (CELD) | China |
| 9. | (PET) (Danish Security and Intelligence Service) | Denmark |
| 10. | Mukhbirat | Egypt |
| 11. | DGSE: General Directorate for External Security | France |
| 12. | DRM: Directorate of Military Intelligence | France |
| 13. | BND (Bundesnachrichtendienst) | Germany |
| 14. | National Intelligence Service (NIS) (EYP) or Ethniki Ypiresia Pliroforion G2 (Military Intelligence) | Greece |
| 15. | Special Detective Unit (Police Intelligence) | Ireland |
| 16. | Badan Intelijen Negara (BIN) | Indonesia |
| 17. | (AISI): “Agency for Internal Information and Security” (Domestic Intelligence Agency), (AISE): “Agency for External Information and Security” (External Intelligence Agency). | Italy |
| 18. | Mosad | Israel |
| 19. | Sawac | Iran |
| 20. | Almukhbirat | Iraq |
| 21. | Research and Analysis Wing (RAW), Intelligence Bureau (IB), Central Bureau of Investigation (CBI), National Investigation Agency (NIA) | India |
| 22. | NIACHO | Japan |
| 23. | Maldives National Defence Force | Maldives |
| 24. | Bureau of Special Investigation (BSI) | Myanmar |
| 25. | Government Communications Security Bureau, New Zealand Security Intelligence Service | New Zealand |
| 26. | Inter Service Intelligence (ISI) | Pakistan |
| 27. | (AW) Foreign Intelligence Agency | Poland |
| 28. | (SIRP) Intelligence System of The Portuguese Republic
|
Portugal |
| 29. | KGB / G.R.U. | Russia |
| 30. | State Intelligence Service (SIS) | Sri Lanka |
| 31. | General Intelligence Presidency (GIP) | Saudi Arabia |
| 32. | Bureau of State Security | South Africa |
| 33. | MI (Military Intelligence) – 5 & 6, Special Branch (SB), Joint Intelligence Organisation (JIO) | United Kingdom |
| 34. | Central Intelligence Agency (CIA), Federal Bureau of Investigation (FBI) | United States of America |
| 35. | Section for Relations with States | Vatican |
