Brian Viloria (born November 24, 1980 in Waipahu, Hawaii) is a Filipino-American professional boxer He was a former WBO and WBA Flyweight champion. He also won the WBC Light Flyweight and IBF Junior Flyweight titles. His nickname "The Hawaiian Punch" was first given to him by Jesus Salud, another former world champion in boxing.
In 1999, he won the US championships, the national Golden Gloves and the world title as an amateur at the 1999 World Amateur Boxing Championships in Houston, Texas but lost early at the Sydney Olympics 2000 against Brahim Asloum, who he had beaten in the 1999 World Championships in Houston, Texas. His overall record was 230-8.