Author
- Isaak ben Meïr from Düren1
- Ismail al-Isfahani1
- Ismail ibn Hammad al-Jawhari1
- Ismāʻīl Mufīd1
- Ismāʻīl Qarah Kamāl1
- Ismāʻīl ibn Abī Bakr Ibn al-Muqrī1
- Ismāʻīl ibn Ibrāhīm İsfendiyaroǧlu1
- Ismāʻīl ibn Muḥammad Qūnawī1
- Ismāʻīl ibn ʻAlī ibn al-Ḥāʼik1
- Israel Alnaqua1
- Israel Yaakov Algazi1
- Isḥāq ibn Ibrāhīm Fārābī1
- Ivo of Chartres1
- Jabartī, Ḥasan ibn Ibrāhīm, 1698 or 1699-1774?1
- Jacob Berab1
- Jacob Israel Karmi1
- Jacob Meyer1
- Jacob ben David ben Yom Tov1
- Jacob ben Jacob, ha-Kohen, -approximately 12701
- Jacob ben Reuben ibn Zur1