Oursler is a surname. Notable people with the surname include:

Fulton Oursler (1893–1952), American journalist, playwright, editor, and writer Marnie Oursler (born 1979), American home builder and television personality Stephanie Oursler (born 1938), American visual artist and political activist Tony Oursler (born 1957), American artist (grandson of Fulton) Will Oursler (1913–1985), American writer (son of Fulton)

See also Oursler, Kansas, ghost town, named after W.E.M. Oursler