| Niccolò di Piero Lamberti il Pela (1370–1425) Niccolò di Pietro Lamberti, Niccolo Aretino, Niccolò d'Arezzo | Agi Lindegren (1858–1927) August Lindegren | Baldassare Longhena (1598–1682) Baldassarre Longhena |
| Johann Baptist Laub | Hilding Linnqvist (1891–1984) | Horatio Walter Lonsdale (1846–1919) |
| Lavers, Barraud & Westlake (1855–1921) | Filippino Lippi (1457–1504) | Ambrogio Lorenzetti (1290–1348) |
| Gregorio Lazzarini (1657–1730) | Filippo Lippi (1406–1469) Fra' Filippo Lippi, Lippo Lippi | Giovanni Battista Lorenzetti (1588–1668) Giambattista Lorenzetti |
| Hubert Le Sueur (1580–1658) | Lorenzo Lippi (1606–1664) | Pietro Lorenzetti (1280–1348) |
| Christoph Lederwasch (1651–1705) Christof Lederwasch | Gabriel Loire (1904–1996) | Lorenzo Lotto (1480–1556) |
| Gilbert Ledward (1888–1960) | Antonio Lombardo (1458–1516) Solari | John Graham Lough (1798–1876) |
| Stefano Maria Legnani (1660–1715) Legnanino | Pietro Lombardo (1434–1515) Pietro Lombardo-Solari | Johann Luidl (1686–1765) |
| Hans Leu the Elder (1460–1507) Hans Leu der Ältere | Tullio Lombardo (1455–1532) Tullio Solari | Lorenz Luidl (1645–1719) |
| Pietro Liberi (1605–1687) Pietro Libertino | Tommaso Lombardo da Lugano (1505–1567) Tommaso da Lugano | Stephan Luidl (1684–1736) |
| Jacopo Ligozzi (1547–1627) | Aurelio Lomi (1556–1622) | Theodor Lundberg (1852–1926) Johan Theodor Lundberg |