Heidemann is a German surname. Notable people with the surname include:Britta Heidemann, German épée fencer Dirk Heidemann, German ballroom dancer, fashion model, now author, dance sport coach and choreographer Gaille Heidemann, American voice actress Günther Heidemann (1932–2010), boxer from Germany Gerd Heidemann, German journalist known for his role in the publication of forged Hitler Diaries Hartmut Heidemann, German football player Jørgen Heidemann, Danish handball player Jack Heidemann, former right-handed Major League Baseball shortstop Lavon Heidemann, non-partisan member of the Nebraska Legislature Matthias Heidemann (1912–1970), German footballer Stefan Heidemann, German orientalist at Hamburg University