- Kalb Ḥusayn ibn Faz̤l ʻAlī Tabrīzī1
- Kamāl al-Dīn Ḥusayn ibn Ḥasan Khvārazmī1
- Karasik, Ber, active 19th century1
- Keśava Kavirāja1
- Khuwānsārī, Muḥammad ibn Ḥusayn, d. 17131
- Khwaja Abdullah Ansari1
- Khādimī, ʻAbd Allāh ibn Muḥammad, d. 17781
- Khālid ibn ʻAbd Allāh al-Azharī1
- Koca Sofi1
- Krishnamishra1
- Kulaynī, Muḥammad ibn Yaʻqūb, -941?1
- Kuyucaklı Mehmet Atıf1
- Kâtip Çelebi1
- Köprülüzāde, ʻAbd Allāh ibn Muṣṭafá, d. 17351
- Köstendilli Süleymân Şeyhi1
- Kāẓim1
- Kāẓim ibn Qāsim Rashtī1
- Leon Pace Ginesi1
- Leon of Modena1
- Lieb Hirsh1