Stavros Diamantopoulos (, born 4 August 1947) is a Greek football player and manager.
He played for Pierikos.
As a manager he sat at the bench of Pierikos, PAS Giannina, Levadiakos, Edessaikos, Olympiacos, Aris, Panachaiki, AEL, Naoussa, Olympiacos Volos, Kozani, Niki Volos and Kastoria.