Former Owner
- Laurence Harman King-Harman1
- Laurence Hilliard1
- Laurence Kirby1
- Laurence Vaux1
- Laurence William Hodson7
- Laurent Campagne1
- Laurentius van der Torqel1
- Law Society1
- Lawrence J. Schoenberg97
- LeMare1
- Legoué1
- Lehn of Denmark1
- Leicester Harmsworth8
- Leigh Baker1
- Leo Olschki11
- Leo S. Olschki Editore10
- Leonard Baskin1
- Leonard Grey, 1st Viscount Grane1
- Leonard S. Unger1
- Leonardo Bruni1