Pedro Gamarro (born January 8, 1955) is a retired boxer from Venezuela, who represented his native country at the 1976 Summer Olympics in Montreal, Canada. There he won the silver medal in the welterweight division (– 67 kg) after having lost to Jochen Bachfeld of East Germany in the final. Gamarro's medal was the only one won by the South American nation in Montreal. A year earlier he won a bronze medal at the 1975 Pan American Games. He would later win a bronze medal at Light middleweight at the 1983 Pan American Games.