Former Owner
- Llewelyn Lloyd-Mostyn, 3rd Baron Mostyn of Mostyn2
- Lodi Cathedral1
- Lodovicus Saltariellus1
- Lohanī, Viṣṇudatta1
- London School of Jewish Studies3
- Long Island Historical Society, Maine1
- Lorenzo Antonio da Ponte1
- Louis Bourguet1
- Louis Charles Elson15
- Louis César de La Baume Le Blanc6
- Louis H. Silver4
- Louis Herbert Gray1
- Louis Hercule Timoléon de Cossé-Brissac1
- Louis II, Count of Flanders1
- Louis Jean Gaignat1
- Louis Lamm1
- Louis Loewe1
- Louis N. Cassett1
- Louis Thompson Rowe1
- Louis XII of France3