Encyclopedias, Almanacs, Transcripts, and Maps
- Ibarra, Juan Felipe (1787–1851)
- Iberia in the Iron Age
- Ibibio
- Ibn ?ufayl (d. 580 AH/1185 CE)
- Ibn Al-?Arab? (1165–1240)
- Ibn Gabirol, Solomon ben Judah (c. 1021–1058 or 1070)
- Ibn Khald?n (1332–1406)
- Ibn Musa, Ahmad
- Ibn Tulun Mosque
- Ibn Zaddik, Joseph ben Jacob (d. 1149)
- Ica, Pre-Columbian
- Icaza Coronel, Jorge (1906–1979)
- Ideal Observer Theories of Ethics
- Ideas
- Ideas, Spread of
- IDIOLECT
- Idlib Province
- Ifugao
- Ifugao
- Iglesias Castro, Rafael (1861–1924)