Former Owner
- Maḥmūd bin Nāṣir1
- Maḥmūd ibn al-Shaykh al-Fattāḥ1
- Melchior Daniel Neubronner1
- Mobed Framji Fardunji Madan1
- Mobed Hormazdyar Mobed Khodabaksh1
- Mohammed bin Hamed bu Osman1
- Monastery at San Gregorio al Celio1
- Moritz Dessauer1
- Moritz Joseph Johann von Dietrichstein1
- Morris Harold Saffron1
- Mortimer Frank1
- Morton Parker Eden1
- Mushtaq Ali Khan I of Rampur1
- Muḥammad Amīn ʻAṭṭār1
- Muḥammad Bāqir Shīrāzī1
- Muḥammad Dhará1
- Muḥammad Ghazlāwī1
- Muḥammad Jaʻfar1
- Muḥammad Mahdī ibn Murtaḍá ibn Muḥammad Baḥr al-ʻUlūm1
- Muḥammad Nāṣir al-Dawlah1