Encyclopedias, Almanacs, Transcripts, and Maps
- Islamic Art
- Islamic Confraternities
- Islamic Salvation Front
- Islamic Society of North America
- Islamic Traditions (Ḥadīth)
- Islamicate Society
- Isle-Sur-La-Sorgue, L'
- Ismā ‘īlīs
- Isma?il I, Shah (1487–1524)
- Isnard of Chiampo, Bl.
- Isoré, Remi, St.
- Isou (Goldstein), Isidore
- Israel (ben Samuel?) Ha-Dayyan Ha-Ma'aravi
- Israel (State), The Catholic Church in
- Israel Academy of Sciences and Humanities
- Israel ben Benjamin of Belzec
- Israel ben Eliezer Ba'al Shem Tov
- Israel ben Joel
- Israel ben Jonathan from Leczyca
- Israel ben Perez of Polotsk