Klunder is a surname. Notable people with the surname include:
Alexander Julius Klünder (1802–1875), Baltic-German painter Bruce W. Klunder (1937–1964), American civil rights activist Casey Klunder (fl. 2003–present), American baseball coach Erich Klünder (fl. 1944), recipient of the Knight's Cross of the Iron Cross Harold Klunder (born 1943), Canadian painter John Klunder (born 1940), Australian politician Matthew L. Klunder (born 1960), American rear admiral and former Chief of Naval Research