Heidelberger is a German language habitational surname denoting a person originally living in any one of several settlements named Heidelberg ("heath mountain" or less probably "heathen mountain") and may refer to: Charles Heidelberger (1920–1983), American cancer researcher Irène Heidelberger-Leonard, German literary critic Jörg Heidelberger (1942–2015), German politician Michael Heidelberger (1888–1991), American immunologist References