Author
- Jacob ibn Habib1
- Jaghmini1
- Jakob Reifmann1
- Jalal al-Din al-Suyuti1
- Jalaluddin al-Mahalli1
- Jawād ibn Saʻd Jawād al-Baghdādī1
- Jean Manesca1
- Jewish Community of Amsterdam, Netherlands1
- Jewish Community of Pitigliano, Italy1
- Joseph Nasi1
- Joseph ben Ephraim Karo1
- Joseph ben Judah ibn Aknin1
- Judah Leib Ben Zeev1
- Judah Rosanes1
- Kamal al-Din ibn al-Humam1
- Kamāl al-Dīn Turkumānī1
- Kimhi Yitzhak ben Mordekhai1
- Leʼon di Belentish1
- Lieb Hirsh1
- Mahmud Mirza Qajar1