Former Owner
- Llanthony Priory1
- Lodi Cathedral1
- Lodovicus Saltariellus1
- Loftus Bland1
- Long Island Historical Society, Maine1
- Louis Bourguet1
- Louis Charles Karpinski1
- Louis II, Count of Flanders1
- Louis Thompson Rowe1
- Louis XIV of France1
- Louis d'Aumont de Rochebaron1
- Louis d'Harcourt1
- Louis-Jean-Nicolas Monmerqué1
- Lucien Delamarre1
- Lucien Gougy1
- Lucien Graux1
- Lucien Magne1
- Lucrezio Palladio degli Olivi1
- Ludovico Settala1
- Luigi Clerici1