Celedonio Espinoza Jr. was a boxer who competed in the lightweigh division of the 1956 Summer Olympic Games in Melbourne, Australia. Prior to this, he was a gold medallist in the 1954 Asian Games in Manila and a bronze medallist in the 1958 Asian Games in Tokyo, Japan. After his retirement, he worked as coach for the Far Eastern University boxing team and later on became a referee and a boxing judge.

1956 Summer Olympics, Melbourne