Former Owner
- Lionardo di Paolo Adimari1
- Lionel Tollemache, 4th Earl of Dysart1
- Lisa Kiser6
- Little family1
- Llewelyn Lloyd-Mostyn, 3rd Baron Mostyn of Mostyn1
- Lodovicus Saltariellus1
- London School of Jewish Studies3
- Long Island Historical Society, Maine1
- Lorenzo Antonio da Ponte1
- Louis Bourguet1
- Louis Charles Elson3
- Louis César de La Baume Le Blanc5
- Louis H. Silver10
- Louis Jean Gaignat1
- Louis Thompson Rowe1
- Louis XII of France2
- Louis XIV of France1
- Louis d'Aumont de Rochebaron1
- Louis de Gruuthuse2
- Lucien Gougy2