With a surname or pseudonym starting with S.
Pipsan Saarinen Swanson (1905–1979)
Erkki Sakari Heinonen (1933–2010)
Kyllikki Salmenhaara (1915–1981)
Sulo Salmi (kuvataiteilija) (1912–1986)
Johan Gustaf Sandberg (1782–1854)
Marjatta Sarpaneva (born 1944)
Immanuel Saukkonen (1909–1970)
Philip von Schantz (1928–1998)
Helene Schjerfbeck (1862–1946)
Lisette von Schrowe-Schenström (1921–1975)
Elsa Schultz-Moberger (1879–1978)
Anshelm Schultzberg (1862–1945)
Carl Oskar Segerbro (1912–1980)
Lennart Segerstråle (1892–1975)
Walter Richard Sickert (1860–1942)
Erkkitapio Siiroinen (1944–1996)
Johan Jakob Silvén (1851–1924)
Singer Sargent Singer Sargent (1856–1925)
Petter Adolf Sjöberg (1767–1847)
Waldemar Sjölander (1908–1988)
Lars Petter Sjöström (1820–1896)
Lars ''Bläst-Lars'' Skoglund (1891–1964)
Kjartan Slettermark (1932–2008)
Rupert Jasen Smith (1953–1989)
Anna Snellman-Kaila (1884–1962)
Venny Soldan-Brofeldt (1863–1945)
Solomon Joseph Solomon (1890–1927)
Adlersparrre Sophie (1823–1895)
Eeva-Liisa Sorainen (born 1957)
Eva Staehr-Nielsen (1911–1976)
Kaarina Staudinger-Loppukaarre (1911–2013)
Mikael Stierncreutz (1936–1976)
Stig Olson Stig Olson (born 1947)
Beda Stjernschantz (1867–1910)
Marianne Strengell (1909–1998)
Elsa Ström-Ciacelli (1876–1952)
Carl-Harry Stålhane (1920–1990)
Per August Sundberg (1887–1968)
Max Walter Svanberg (1912–1994)
Arnold "Nolle" Svensson (1915–2008)
Sven-Bertil Svensson (born 1937)
Ethel Swahn-Luutonen (1908–1985)
Thomas Swift Hutton (1865–1935)
Reidar Särestöniemi (1925–1981)