Former Owner
- John Harvey Treat1
- John James Lewis1
- John Morgan1
- John Read Dore1
- John Thomas Beer1
- John Wright1
- Josephine Widener Wichfield1
- Laurence Claiborne Witten II1
- Laurence Kirby1
- Laurent Campagne1
- Laurentius van der Torqel1
- Legoué1
- Lisa Norris Elkins1
- Louis César de La Baume Le Blanc1
- Louis H. Silver1
- Ludwig Rosenthal1
- Luigi Serra di Cassano1
- Lydia Thompson Morris1
- Lyon Cathedral1
- Maksymilian Mielzynski1