- 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
- Kumayl ibn Ziyad1
- 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
- Lālah, Muḥammad ibn ʻAbd al-Salīm1
- Madanī, Aḥmad ibn ʻAlī, d. 1722 or 31
- Mahmud Gawan1