Jader José da Silva Souza (born March 13, 1982, in Macapá) is a Brazilian swimmer.

Away from the major centres of the national sport, Jader has always struggled to participate in competitions and consequently improve his performance.

In 2002, discouraged with the situation in his hometown, dropped everything to pursue a dream in Brasilia.

[5] At the 2003 Pan American Games, in Santo Domingo, Jader won the gold medal in the 4×100-metre freestyle, along with Gustavo Borges, Fernando Scherer and Carlos Jayme.

[8] In the 4×100-metre freestyle, the Brazilian legend Gustavo Borges said goodbye to swimming at the age of 31.