Former Owner
- Lucy Evans Chew1
- Luigi Clerici1
- Luini, Pacifico (Franciscan priest), active 19th century1
- Luis Mayora1
- Mademoiselle de Malberghe1
- Maffeo Pinelli1
- Mannucci family1
- Marcantonio V Borghese1
- Marchese Porri-Carcani1
- Marco Antonio Morosini1
- Margaret Barclay Wilson1
- Margaret Le Seigneur1
- Margaret of Croy1
- Marguerite de Belleville1
- Marguerite de Fontenay1
- Marguerite of Lorraine1
- Marie Ange-Toussaint Placide de Ferron1
- Marie Cleophe de Sollario1
- Marie de Albano1
- Marie-Caroline of Bourbon-Two Sicilies, Duchess of Berry1