Author
- Matteo dei Libri1
- Matthew Paris1
- Matthew of Kraków1
- Maurice de Sully1
- Melchior Scherdinger1
- Mesa del Olmeda1
- Meʼir ben Mosheh, me-Husaḳov1
- Michael, Benedictine monk1
- Michel Mercier1
- Miles Huggarde1
- Mir Damad1
- Mirza Mehdi Khan Astarabadi1
- Moses ben Jacob Cordovero1
- Moses ben Jacob of Coucy1
- Moshe ben Maimon1
- Muhammad ibn Yusuf al‐Sanusi1
- Muhi Al-Din Lari1
- Mustafa Abu al-Fayd1
- Muʻīn Juvaynī1
- Muḥammad Ashraf ibn Ḥabīb Allāh al-Ṭabāṭabāʼī1