Categories:
- NKVD
- Law enforcement agencies of the Soviet Union
- Soviet intelligence agencies
- Defunct law enforcement agencies of Russia
- Defunct intelligence agencies
- People's Commissariats and Ministries of the Soviet Union
- Intelligence services of World War II
- Law enforcement in communist states
- Human rights in the Soviet Union
- National security institutions
- Political repression in the Soviet Union
- Secret police
- 1934 establishments in Russia
- 1934 establishments in the Soviet Union
- 1946 disestablishments in the Soviet Union
- Government agencies established in 1934
- Government agencies disestablished in 1946
- Civil rights and liberties
- Freedom of expression
- Human rights abuses
- Imprisonment and detention
- Internments