Author
- Jaʻfar Astarābādī1
- Jaʻfar Vāʻiẓ1
- Jaʻfar ibn Khaḍir Janājī1
- John Gower1
- John of Genoa1
- Juan Páez de Castro1
- Junayd ibn Sandal Baghdādī1
- Jāwushzādah, Ibrāhīm ibn Muḥammad, d. 1640 or 11
- Ka'b bin Zuhayr1
- Kabbāshī, Aḥmad1
- Kalb Ḥusayn ibn Faz̤l ʻAlī Tabrīzī1
- Kalāʼī, Muḥammad ibn Sharaf, d. 13751
- Kamal Khujandi1
- Kamal ad-Din Bina'i1
- Kamal al-Din al-Ghazzi1
- Kamāl al-Dīn Ḥusayn ibn Ḥasan Khvārazmī1
- Kanjāwī, Jibrīl ibn ḥasan, 1351 or 21
- Kanō Gensen1
- Karakaşzade Ömer1
- Kaygusuz Abdal1