Former Owner
- Marāṭha, Raṅganātha1
- Matthaeus Lupin1
- Matthew Donadski1
- Mauni, Bālaṃbhaṭa1
- Maximilian Henry of Bavaria1
- Mazliah Finzi1
- Maḥmūd al-Ustādār, d. 1396 or 71
- Maḥmūd bin Nāṣir1
- Maḥmūd ibn al-Shaykh al-Fattāḥ1
- Medingen Abbey1
- Melchior Daniel Neubronner1
- Menno Hertzberger1
- Michael Bernays1
- Michael Greenberg1
- Miriam Lutcher Stark1
- Miss Gostling1
- Mistrie, Sita Ram, Pandit1
- Mitchell Starrett Buck1
- Mobed Framji Fardunji Madan1
- Mobed Hormazdyar Mobed Khodabaksh1