Author
- Hirsh Kunrat1
- Hunayn ibn Ishaq1
- Immanuel Tremellius1
- Isaac Albalag1
- Isaac Israeli ben Joseph1
- Isaac Lattes1
- Isaac Lopez1
- Isaac ben Joseph of Corbeil1
- Isaac the Blind1
- Isaak ben Meïr from Düren1
- Isaiah di Trani1
- Israel Alnaqua1
- Israel Yaakov Algazi1
- Issachar ben Mordecai ibn Susan1
- Jacob Berab1
- Jacob Israel Karmi1
- Jacob Meyer1
- Jacob ben David ben Yom Tov1
- Jacob ben Machir ibn Tibbon1
- Jacob ben Reuben ibn Zur1