Former Owner
- Lathrop Colgate Harper1
- Laurence Claiborne Witten II1
- Laurence Kirby1
- Laurent Campagne1
- Legoué1
- Louis Charles Elson1
- Louis H. Silver1
- Lucy Evans Chew1
- Luigi Serra di Cassano1
- Lyon Cathedral1
- Manookjee Sorabjee Ashburner1
- Manuel Fernández del Castillo1
- Margaret of Croy1
- Mark Lansburgh1
- Mayer Sulzberger1
- Menaḥem Naḥum, ha-Leṿi, mi-ḳ.ḳ. Dribin1
- Michel de Léon1
- Milton S. Carothers1
- Mobed Framji Fardunji Madan1
- Mobed Hormazdyar Mobed Khodabaksh1