Author
- Jean Filesac1
- Jean-François Roussin1
- Joannes Oliva1
- John Davnay1
- John de Beauchesne1
- Joseph ben Abraham Gikatilla1
- Joseph ben Ephraim Karo1
- Juan Ortiz Campoy1
- Judah Rosanes1
- Judah ben Saul ibn Tibbon1
- Kalidasa1
- Kalonymus ben Kalonymus1
- Kamal al-Din ibn al-Humam1
- Kanada1
- Karakaşzade Ömer1
- Kaḥḥāl, ʻAlī ibn ʻĪsá, -1038 or 10391
- Keśavasvāmin1
- Khalīl Ibn Walī1
- Kurdī, Yūsuf ibn Yaʻqūb1
- Kātyāyana1