Weider is a German surname. Notable people with the surname include:
Avi Zev Weider, American film director, writer, producer, and sound mixer Ben Weider (1923–2008), co-founder of the International Federation of BodyBuilding & Fitness
Jim Weider, guitarist John Weider (born 1947), rock musician Joe Weider (1919–2013), Canadian bodybuilder and key developer of the profession Wolfgang Weider (1932–2024), German auxiliary bishop, Archbishop of Berlin
See also