Weishaupt is a German surname. Notable people with the surname include:
Adam Weishaupt (1748–1830), German philosopher and founder of the Order of Illuminati Erich Weishaupt (born 1952), German ice hockey player Johann Georg Weishaupt (1717–1753), professor of law at the University of Ingolstadt Karl von Weishaupt (1787–1853), Bavarian Lieutenant General and War Minister
See also Weißhaupt