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- Tero Laaksonen (1953- )
- Mikko Laasio (1913-1997)
- Atte Laitila (1893-1972)
- Ilkka Lammi (1976-2000)
- Vilho Lampi (1898-1936)
- Petter Lang (1927-1980)
- Claes Lang (1690-1761)
- Aleksander Lauréus (1783-1823)
- Kuutti Lavonen (1960- )
- Thomas Joachim Legler (1806-1873)
- Kauko Lehtinen (1925-2012)
- Nikolai Lehto (1905-1994)
- Elina Liikanen (1959- )
- Aleksander Lindeberg (1917- )
- Armas Lindgren (1874-1929), architect, professor and painter
- Johan Erik Lindh (1793-1865)
- Berndt Lindholm (1841-1914)
- Juhani Linnovaara (1934- )
- Sirkka-Liisa Lonka (1943- )
- Anitra Lucander (1918-2000)
- Gustaf Lucander (1724-1805)
- Hannu Lukin (1963- )
- Pellervo Lukumies (1935- )
- Amélie Helga Lundahl (1850-1914)
- Leena Luostarinen (1949- )
Read more about this topic: List Of Finnish Painters