Former Owner
- Louis XIV of France1
- Louis d'Aumont de Rochebaron1
- Lucien Graux1
- Lucien Magne1
- Lucy Evans Chew1
- Luigi Clerici1
- Luigi Cora1
- Luis Mayora1
- Mademoiselle de Malberghe1
- Madyan Qusuni1
- Maffeo Pinelli1
- Malachia Ormanian1
- Mannucci family1
- Mantell1
- Marcantonio V Borghese1
- Marcela Gabriela1
- Marchese Porri-Carcani1
- Marco Antonio Morosini1
- Margaret Barclay Wilson1
- Margaret F. Woodward1