Author
- Honorat Bovet1
- Horilamiśra1
- House of Gondi1
- Ibn Hisham Al-Ansari1
- Ibn Luyun1
- Iccharamasvamin1
- Isaac Albalag1
- Isaac Israeli ben Joseph1
- Isaac Israeli ben Solomon1
- Isaac ibn Ezra1
- Isaac ibn Ghiyyat1
- Isidore of Seville1
- Ismail ibn Hammad al-Jawhari1
- Ivo of Chartres1
- Jacob HaLevi of Marvège1
- Jacob ben Asher1
- Jacques Millet1
- Jagannāthacandra1
- Jayakṛṣṇa Brahmamuni1
- Jayalakṣmī1