Tags: Swimmer.
José Roberto Diniz Aranha (born February 2 1951 in São Paulo) is a former international freestyle swimmer from Brazil who competed at two consecutive Summer Olympics for his native country starting in 1968.Between 1968 and 1972 he went to live and train in the United States.At the 1967 Pan American Games in Winnipeg he swam the 400-metre freestyle not reaching the finals.At the 1968 Summer Olympics in Mexico City he swam the 100-metre freestyle and the 4×100-metre medley (along with José Fiolo João Costa Lima Neto and César Filardi) not reaching the finals.He was at the 1971 Pan American Games in Cali where he won four bronze medals in the 100-metre freestyle and in the three Brazilian relays (4×100-metre freestyle 4×100-metre medley and 4×200-metre freestyle) breaking the South American record in all three relays.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) along Ruy de Oliveira Paulo Zanetti and Paulo Becskehazy and 5th in the 4×100-metre medley (improving in 5 seconds the South American record) along with Rômulo Arantes José Fiolo and Sérgio Waismann.