Former Owner
- Lionardo di Paolo Adimari1
- Lionel Tollemache, 4th Earl of Dysart2
- Lisa Kiser12
- Lisa Norris Elkins1
- Little family1
- Llanthony Priory1
- Llewelyn Lloyd-Mostyn, 3rd Baron Mostyn of Mostyn2
- Lodi Cathedral1
- Lodovicus Saltariellus1
- Loftus Bland1
- Lohanī, Viṣṇudatta1
- London School of Jewish Studies3
- Long Island Historical Society, Maine1
- Lorenzo Berdute1
- Louis Bourguet1
- Louis César de La Baume Le Blanc6
- Louis H. Silver1
- Louis Herbert Gray1
- Louis Hercule Timoléon de Cossé-Brissac1
- Louis II, Count of Flanders1