Author
- John Skyrrow1
- Josef ibn Tabul1
- Joseph ben Abraham Gikatilla1
- Joseph ben Gorion1
- Joshua ben Israel Benveniste1
- Joshua ibn Shuaib1
- Juan Ortiz Campoy1
- Juana I of Castile1
- Judah Rosanes1
- Judah ben Saul ibn Tibbon1
- Jāwushzādah, Ibrāhīm ibn Muḥammad, d. 1640 or 11
- Kalim Kashani1
- Kalonymus ben Kalonymus1
- Kamal al-Din ibn al-Humam1
- Kefeli Ḥüseyin1
- Khalīl Ibn Walī1
- Khaṭīb, ʻAlāʼ al-Dīn ibn ʻAbd al-Bāqī, fl. 15951
- Khiḍr Shawbarī1
- Khiḍr ibn Muḥammad Āmāsī1
- Khvājah Muḥammad Pārsā1