Author
- Irbilī, Aḥmad ibn Mūsá, d. 12251
- Isaac Aboab of Castile1
- Isaac Albalag1
- Isaac Israeli ben Joseph1
- Isaac Israeli ben Solomon1
- Isaac Lattes1
- Isaac ben Joseph of Corbeil1
- Isaac ibn Ezra1
- Isaac ibn Ghiyyat1
- Isaac of Troki1
- Isaak ben Meïr from Düren1
- Ishmael ben Abraham Isaac ha-Kohen1
- Ismail al-Isfahani1
- Ismāʻīl Qarah Kamāl1
- Ismāʻīl ibn Abī Bakr Ibn al-Muqrī1
- Isḥāq ibn Ḥasan Tūqādī1
- Ivo of Chartres1
- Izz al-Din ibn Hibatullah ibn Abi l-Hadid1
- Jaafar Al-Sadiq1
- Jabartī, Ḥasan ibn Ibrāhīm, 1698 or 1699-1774?1