Author
- Immanuel Tremellius1
- Imām al-Dīn ibn Luṭf Allāh Lāhūrī1
- Inayet Efendi1
- Innocent VIII1
- Innocent XI1
- Insha Allah Khan1
- Iohannes de Ianna1
- Irbilī, Aḥmad ibn Mūsá, d. 12251
- Isaac Aboab of Castile1
- Isaac Albalag1
- Isaac Israeli ben Joseph1
- Isaac Israeli ben Solomon1
- Isaac Lattes1
- Isaac Lopez1
- 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