Leon Spinks (born on July 11, 1953) is an American boxer. He won the world heavyweight championship. He won a gold medal in the 1976 Olympics in the boxing category. He became a professional boxer. In his eighth bout he won the heavyweight championship from Muhammad Ali. In his first defense, he lost the title back to Ali.
Spinks continued boxing with little success after that. He fought Larry Holmes for the heavyweight title in 1981, but lost. He also fought for the cruiserweight championship, but he lost that fight, too. He stopped fighting in 1995.