Robert Rauschenberg (American, 1925–2008) Zachariah Rieke (American, born 1943) Larry Rivers (American, 1923–2002) Mel Rosas (American) Ed Ruscha (American, born 1937) Richard Serra (American, 1938–2024) Kevin Sinnott (British, born 1947) Robert Stivers (American, born 1953)
Mark Stock (American, born 1951) Donald Sultan (American, born 1951) Wayne Thiebaud (American, 1920–2021) Richard Tuttle (American, born 1941) Andy Warhol (American, 1928–1987) Tom Wesselmann (American, 1931–2004) Donald Roller Wilson (American, born 1938)
