Former Owner
- Lajos Graf Apponyi de Nagy-Appony1
- Lancino Curti1
- Lathrop C. Harper, Inc.1
- Laurence Claiborne Witten II1
- Laurence Kirby1
- Laurence William Hodson1
- Laurentius van der Torqel1
- Law Society1
- Leonard Grey, 1st Viscount Grane1
- Leonardo Loredan1
- Lionel Tollemache, 4th Earl of Dysart1
- Little family1
- Llanthony Priory1
- Loftus Bland1
- Louis H. Silver1
- Ludovico Settala1
- Luigi Clerici1
- Luigi Serra di Cassano1
- Luis Mayora1
- Lyon Cathedral1