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

Ben J. Winer (1917–1984), American research psychologist Dave Winer (born 1955), American software developer Jason Winer (born 1972), American director, producer, writer Matt Winer (born 1969), American television personality Stephen Winer, American comedy writer Szlama Ber Winer (1911–1942), a Polish Jew during the Holocaust

See also 15606 Winer, a main-belt asteroid, named after American physicist Irvin M. Winer (1935–1982) Wiener (disambiguation)