Tags: Swimmer.
Sérgio Waismann (born August 7 1955) is a former international butterfly swimmer from Brazil who competed at one Summer Olympics for his native country.At the 1972 Summer Olympics in Munich he finished 5th in the 4×100-metre medley (improving in 5 seconds the South American record) along with Rômulo Arantes José Fiolo and José Aranha. He also swam the 100-metre butterfly not reaching the finals.