Former Owner
- Louis XIV of France1
- Lucien Graux1
- Lucrezio Palladio degli Olivi1
- Luigi Celotti1
- Luigi Serra di Cassano1
- Luis Mayora1
- Lydia Thompson Morris1
- M. Louise Stowell1
- Mademoiselle de Malberghe1
- Magby, H1
- Mahdī ibn Muṣṭafá al-Ḥusaynī1
- Manookjee Sorabjee Ashburner1
- Manuel Fernández del Castillo1
- Manuel John Johnson1
- Marc-René de Voyer d'Argenson1
- Marie Thomas1
- Mark Lansburgh1
- Marsden J. Perry1
- Martin Schøyen1
- Marvin-L. Colker1