Chris Ofili (British, born 1968) Claes Oldenburg (American, 1929–2022) Jules Olitski (American, 1922–2007) George Earl Ortman (American, 1926–2015) Anders Österlin (Swedish, born 1926) Philip Aguirre y Otegui (Belgian, born 1961) Otso Raymond Pages (born 1923) Pablo Palazuelo (Spanish, 1916–2007) Max Papart (French, 1911–1994) Maxfield Parrish (American, 1870–1966) Alfred Pellan (Canadian, 1906–1988) Jürgen Peters (German, born 1936) Antonio Petruccelli (American, 1907–1994) Antoine Pevsner (French/Russian, 1884–1962)
Elizabeth Peyton (American, born 1965) Pablo Picasso (Spanish, 1881–1973) Joseph Piccillo (American, born 1941) Francois de Poilly (French, 1622–1693) Jackson Pollock (American, 1912–1956) Katherine Porter (American, born 1941) Hannes Postma (Dutch, born 1933) Joseph Raffael (American, born 1933) H. Rolf Rafflewski (German, born 1943) Mel Ramos (American, 1935–2018) Abraham Rattner (American, 1895–1978) Robert Rauschenberg (American, 1925–2008) Razzia (Gerard Courbouleix) (French, born 1950) Paul Rebeyrolle (French, 1926–2005) David Redfern (British/French, 1936–2014)