- Habegger, Andrés1
- Haeberle, Austin1
- Hall, Susan1
- Ham, Gerald1
- Hanák, Dušan1
- Hanák, Péter1
- Harris, V. S.1
- Harris, Verne1
- Harrison, Hope Millard1
- Hawkes, Martine Louise1
- Hedstrom, Margaret L.1
- Hegedüs, András1
- Hersonski, Yael1
- Hick, Jochen1
- Hilton, Chris1
- Hinton, Carma1
- Historical Archives of the Hungarian State Security1
- Holland, Luke1
- Holzhausen, Johannes1
- Hoover Institution on War, Revolution, and Peace1