Stavros Diamantopoulos (Greek: Σταύρος Διαμαντόπουλος, born 4 August 1947) is a Greek football player and manager. He played for Pierikos. He managed Pierikos, PAS Giannina, Levadiakos, Edessaikos, Olympiacos, Aris, Panachaiki, AEL 1964 FC, Naoussa, Olympiakos Volou 1937, Kozani, Niki Volos and Kastoria.