Encyclopedias, Almanacs, Transcripts, and Maps
- Hyler, Adam
- Hyman, Flo
- Hypatia of Alexandria
- Ian K. Paisley
- Ian Wilmut
- Ibárruri, Dolores (La Pasionaria) (1895–1989)
- Ibn Khaldûn
- Ibrahim ibn Sayyar al-Nazzam
- Ibuka, Masaru
- Ida Henrietta Hyde
- Ideals, Military
- Identity and Race in the United States
- Ideology, Political, Middle East
- Idle, River, battle of the
- Igbo Women's War
- Ignatius of Loyola
- Ignatius of Loyola
- ÎLe Aux Noix, Canada
- Ileana Ros-Lehtinen
- Iliescu, Ion (b. 1930)