Demange is a French surname. It may refer to: People Joseph Demange (c. 1707—83), French godfather madame du Barry Edgar Demange (1841—1925), French jurist Emmanuel Clément-Demange (born 1970), French footballer Jean-Marie Demange (1943—2008), French politician Ken DeMange (born 1964), Irish footballer Paul Demange (politician) (1906—1970), Monégasque politician Paul Demange (actor) (1901—1983), French actor Yann Demange (born 1977), French film director Other Demange-aux-Eaux, commune of France. References