- Jonas King1
- Josephus1
- Junayd ibn Sandal Baghdādī1
- Jāwushzādah, Ibrāhīm ibn Muḥammad, d. 1640 or 11
- Ka'b bin Zuhayr1
- Kabbāshī, Aḥmad1
- Kadri, Ali1
- Kahvecizâde, Ahmed bin Hüseyin1
- Kalāʼī, Muḥammad ibn Sharaf, d. 13751
- Kamal al-Din al-Ghazzi1
- Kamāl al-Dīn ibn Āsāyish Shirwānī1
- Kamāl aldaayn albakry1
- Kanjāwī, Jibrīl ibn ḥasan, 1351 or 21
- Kaḥḥāl, ʻAlī ibn ʻĪsá, -1038 or 10391
- Khalaf Barbarī1
- Khalwatī, Muḥammad1
- Khalīl Ibn Walī1
- Khalīl ibn Aḥmad Ibn al-Naqīb1
- Khalīl ibn Muḥammad Fattāl1
- Khalīl ibn Shāhīn1