- Hamman, Henry1
- Hancock, Ian1
- Hay, James1
- Hegedüs, András1
- Hegyi, Béla1
- Hemsley, John1
- Hodos, George H.1
- Human Rights Watch1
- Hungarian Institute for Public Opinion Research1
- Huszadik Század Hangja Kutatóműhely1
- IAkovlev, Nikolai Nikolaevich1
- Ilʹin, V. N.1
- Index on Censorship1
- Information Services Department1
- International Helsinki Federation for Human Rights1
- International Monitor Institute1
- Isserman, Maurice1
- Itselev, Leonid1
- Jassó, Mária1
- Johnson, A. Ross1