Weninger is a German surname. Notable people with the surname include:
Francis Xavier Weninger (1805–1888), Austrian Jesuit missionary and author Jeff Weninger (born 1970), American politician Josef Weninger (1886–1959), Austrian anthropologist Quinn Weninger (born 1962), Canadian-American economist Wenz Weninger, member of the German industrial metal band Megaherz
See also Wenninger Weininger