Mansueto "Onyok" Velasco, Jr. (born January 10, 1974) is a Filipino boxer and comedian from Bago City, Negros Occidental, Philippines. He competed in the Men's 48 kg (light-flyweight) category at the 1996 Summer Olympics in Atlanta, and took home the silver medal, the Philippines' only medal of the games. He is the younger brother of Roel Velasco, winner of the Olympic bronze in the 1992 Summer Olympics, who is also a light-flyweight.