Former Owner
- Malachia Ormanian1
- Manūchihr Nukhastīn Āṣaf Qājār1
- Margaret Barclay Wilson1
- Markus Fugger1
- Mary Augusta Strachey1
- Maximilian Henry of Bavaria1
- Mazliah Finzi1
- Maḥmūd bin Nāṣir1
- Michel Chasles1
- Michele Amari1
- Mobed Framji Fardunji Madan1
- Mobed Hormazdyar Mobed Khodabaksh1
- Mohammed bin Hamed bu Osman1
- Moritz Dessauer1
- Moritz Joseph Johann von Dietrichstein1
- Morris Harold Saffron1
- Morton Parker Eden1
- Muḥammad Amīn ʻAṭṭār1
- Muḥammad Dhará1
- Muḥammad Nāṣir al-Dawlah1