Diogo de Oliveira Yabe (born August 8, 1980, in Londrina, Paraná, Brazil), is a Brazilian competitive swimmer who specializes in medley events.

[2] He swam at the 2002 Pan Pacific Swimming Championships, where he finished 12th in the 200-metre individual medley.

[4] At the 2003 World Aquatics Championships, Yabe was in the 200-metre individual medley, but was disqualified.

[6] Participated in the 2004 Summer Olympics in the 200-metre individual medley, where he earned a 26th-place finish.

[14] As one of the representatives of Brazil in the 2011 Pan American Games in Guadalajara, won the silver medal in the 4×200-metre freestyle by participate at heats.