Nikita (swimmer)
João Reynaldo Costa Lima Neto, known as Nikita, is a former international butterfly swimmer from Brazil.
At the 1967 Pan American Games, in Winnipeg, he won a bronze medal in the 4×100-metre medley.
At the 1968 Summer Olympics, in Mexico City, he swam the 100-metre butterfly and the 4×100-metre medley, not reaching the finals.