Paulo Zanetti (born September 24, 1952) is a former international freestyle swimmer from Brazil, who competed at one Summer Olympics for his native country. He was at the 1971 Pan American Games, in Cali, where he won a bronze medal in the 4×100-metre freestyle, breaking the South American record. At the 1972 Summer Olympics, in Munich, he finished 4th in the 4×100-metre freestyle (6 seconds and a half below the South American record). He also swam the 100-metre freestyle and the 4×200-metre freestyle, not reaching the finals.