- Khādimī, ʻAbd Allāh ibn Muḥammad, d. 17781
- Kudālī, Ḥasan1
- Kulaynī, Muḥammad ibn Yaʻqūb, -941?1
- Kumayl ibn Ziyad1
- Köprülüzāde, ʻAbd Allāh ibn Muṣṭafá, d. 17351
- Kāẓim ibn Qāsim Rashtī1
- Lālah, Muḥammad ibn ʻAbd al-Salīm1
- Madanī, Aḥmad ibn ʻAlī, d. 1722 or 31
- Maghnīsāwī, Maḥmūd ibn Ḥasan1
- Mahdī ibn ʻAlī Ṣubunrī1
- Mahmud Hamza1
- Mahmud Hudayi1
- Mahmud al-Alusi1
- Makhlūf ibn Muḥammad Minyāwī1
- Malik ibn Anas1
- Manṣūr ibn ʻAbd Allāh Rāstʹgū1
- Manṣūr ibn ʻAlī Manūfī1
- Maronite Catholic Patriarchate of Antiochus1
- Mas‘ud ibn Muhammad Sijzi1
- Maʾ al-ʿAynayn1