Author
- Jalaluddin al-Mahalli1
- Jami1
- Jawād ibn Saʻd Jawād al-Baghdādī1
- Jewish Community of Amsterdam, Netherlands1
- Jewish Community of Padua, Italy1
- Jewish Community of Pitigliano, Italy1
- Jewish community of unidentified city, Italy1
- Jews1
- Joseph Angelet1
- Joseph Nasi1
- Joseph ben Judah ibn Aknin1
- Joshua ben Israel Benveniste1
- Joshua ibn Shuaib1
- Judah Hadassi1
- Judah Leib Prossnitz1
- Kamal al-Din ibn al-Humam1
- Kamāl al-Dīn Turkumānī1
- Leon Ghirone1
- Lieb Hirsh1
- Makhir1