l
- Roger de La Fresnaye (French, 1885–1925) [1]
- Emil Larson (American, active 1892–1949) [2]
- Marie Laurencin (French, 1885–1956) [2]
- Robert Laurent (American, 1890–1970) [2]
- Ernest Lawson (American, 1873–1939) [6]
- Johannes Leman (born c. 1800) [1]
- Joshua Letts (American, active late 18th–early 19th century) [1]
- Jacques Lipchitz (French, active in the United States, 1891–1973) [9]
- Claude Lorrain (French, active in Italy, 1604–1682) [2]
- Tilly Losch (Austrian, 1907–1975) [1]
- Robert Lotiron (French, 1886–1966) [1]
- Lucas van Leyden (Netherlandish, c. 1494–1533) [1]
- George Benjamin Luks (American, 1867–1933) [1]
- Jean Lurçat (French, 1892–1966) [2]