Heider is a German surname. Notable people with the surname include:
Ferid Heider (born 1979), German imam
Fritz Heider (1896–1988), Austrian psychologist
Karl G. Heider (born 1935), American anthropologist
Lee Heider (born 1947), American politician
Marc Heider (born 1986), American-born German footballer
Moriz Heider (1816–1866), Austrian dentist
Robert R. Heider (1928-2015), American politician
Wally Heider (1923–1989), American audio engineer