- Gellner, John1
- Graham, Billy1
- Grant, Myrna1
- Great Britain, Foreign and Commonwealth Office1
- Gregor, Richard1
- Gregory, Paul R.1
- Group Inconnu1
- Gruber, Helmut1
- Grunwalsky, Ferenc1
- Gul', Roman1
- Gusev, Vladimir1
- Hagopian, Mark N.1
- Hanson, Philip1
- Harvey, Dodd L.1
- Hegedüs, András1
- Historical Archives of the Hungarian State Security1
- Hollós, Ervin1
- Hunczak, Taras1
- Hungarian Institute for Public Opinion Research1
- Huszadik Század Hangja Kutatóműhely1