Former Owner
- 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
- M. Haimmiller1
- Magby, H1
- Margaret Barclay Wilson1
- Margaret of Croy1
- Marie Cleophe de Sollario1
- Marie de Albano1
- Marienstiftsgymnasium1