Former Owner
- Marc-René de Voyer d'Argenson1
- Marcantonio Contarini1
- Marcela Gabriela1
- Marco da Bologna1
- Margaret F. Woodward1
- Margaret Le Seigneur1
- Marguerite de Fontenay1
- Marguerite of Lorraine1
- Maria Riddell1
- Marie Ange-Toussaint Placide de Ferron1
- Marie-Caroline of Bourbon-Two Sicilies, Duchess of Berry1
- Marino Grimani1
- Marion Lawrence1
- Mariota Lyle1
- Martinus Nijhoff1
- Mary Schell Collins1
- Mary W. T. Dickinson2
- Mary, Queen of Scots1
- Matteo Luigi Canonici3
- Matthias Corvinus1