Former Owner
- Lisa Norris Elkins1
- Little family1
- Llanthony Priory1
- Llewelyn Lloyd-Mostyn, 3rd Baron Mostyn of Mostyn3
- Lodi Cathedral1
- Lodovicus Saltariellus1
- Loftus Bland1
- Long Island Historical Society, Maine1
- Lorenzo Berdute1
- Louis Bourguet1
- Louis Charles Elson12
- Louis César de La Baume Le Blanc6
- Louis H. Silver9
- Louis Hercule Timoléon de Cossé-Brissac1
- Louis II, Count of Flanders1
- Louis Jean Gaignat1
- Louis Loewe1
- Louis Lucien Bonaparte1
- Louis N. Cassett1
- Louis Thompson Rowe1