Georgios Stefanopoulos (Greek: Γεώργιος Στεφανόπουλος; born March 31, 1962, in Peristeri, Attiki) is a former boxer from Greece, who participated in two Summer Olympics for his native country in the men's heavyweight division (– 91 kg), starting in 1984 in Los Angeles, California. He twice won a medal at the European Championships in the early 1990s. Georgios also had some success in kickboxing, winning a gold medal in the Full-Contact heavyweight category at the W.A.K.O. European Championships 1986.