Author
- Ibn Khallikan1
- Ibn Luyun1
- Ibn al-Ḥājib1
- Ibrāhīm al-Ḥalabī1
- Ibrāhīm al-Ḥusaynī1
- Ibrāhīm ibn ʻAlī Qalqashandī1
- Iccharamasvamin1
- Ildibrandinus1
- Imam Birgivi1
- Imbert Feutrier1
- Immanuel Bonfils1
- Innocent IV1
- Isaac Albalag1
- Isaac Israeli ben Joseph1
- Isaac Israeli ben Solomon1
- Isaac ben Joseph of Corbeil1
- Isaac ibn Ezra1
- Isaac ibn Ghiyyat1
- Isidore of Seville1
- Ismail ibn Hammad al-Jawhari1