37 artists
- Maurice Quentin de la Tour (1)
- Gerald Laing (2)
- Jim Lambie (2)
- Johann Battista Lampi (1)
- Sir Edwin Landseer (1)
- Samuel Lane (1)
- Nicolas de Largillière (1)
- James Eckford Lauder (1)
- Robert Scott Lauder (7)
- Sir Thomas Dick Lauder (1)
- Sir John Lavery (4)
- Eileen Lawrence (1)
- Sir Thomas Lawrence (3)
- John Le Conte (1)
- Charles Lees (4)
- Annie Leibovitz (1)
- Sir Peter Lely (6)
- Jean-Baptiste Lemoyne (1)
- Franz-Seraph von Lenbach (1)
- Michael Leonard (1)
- Sze Tsung Leong (2)
- John Lessore (1)
- George P. Lewis (2)
- Percy Wyndham Lewis (1)
- Jan Lievens (1)
- Henry Lintott (1)
- Flora Lion (1)
- David Livshin (1)
- Owen Logan (2)
- London Stereoscopic and Photographic Company (1)
- Richard Long (1)
- John Henry Lorimer (2)
- Bet Low (1)
- Ernest Stephen Lumsden (1)
- Lutenor (1)
- Edward Luttrell (1)
- Corneille de Lyon (1)
