Former Owner
- Marie-Caroline of Bourbon-Two Sicilies, Duchess of Berry1
- Marie-François Duchesne de Beaumanoir3
- Marilyn Carbonell2
- Marino Grimani1
- Mario Maffei1
- Mario Pedro Arata1
- Marion H. Gottfried1
- Mariota Lyle1
- Mark Augspürger1
- Mark Lansburgh1
- Markus Fugger1
- Marquis of Astorga1
- Marsden J. Perry1
- Martin Breslauer1
- Martin J. Cooper4
- Martin Picker3
- Martin Schøyen6
- Martin of Aragon1
- Martinus Nijhoff1
- Marvin-L. Colker1