Eduardo Beca Piccinini (born November 30, 1968) is a former international butterfly swimmer from Brazil.He was at the 1991 Pan American Games in Havana, where he earned a bronze medal in the 100-metre butterfly.
At the 1992 Summer Olympics in Barcelona, Piccinini finished 18th in the 100-metre butterfly, and 15th in the 200-metre butterfly.
Piccinini was at the 1994 World Aquatics Championships, in Rome, where he finished 25th in the 100-metre butterfly, and 26th in the 200-metre butterfly.
At the 1995 Pan American Games in Mar del Plata, Piccinini won a silver medal in the 100-metre butterfly and in the 4×100-metre freestyle.