Claudio "Tripa" Barrientos (born November 10, 1935, in Osorno — died May 7, 1982) was a Chilean boxer, who won the bronze medal in the bantamweight (119.5 pounds) division at the 1956 Summer Olympics in Melbourne, Australia. A year earlier he won the silver medal at the Pan American Games in the featherweight division. His nickname was Tripa. Barrientos died at age 46.