Genaro León (born 10 August 1960) is a Mexican former professional boxer who competed from 1984 to 2001.

He held the WBO welterweight title in 1989.

León represented Mexico at the 1984 Los Angeles Olympic Games, as a welterweight.

His results were: León turned pro in 1984 and in 1989 captured the inaugural and vacant WBO welterweight title with a KO win over Danny Garcia.

In 1993 he challenged WBC welterweight title holder James McGirt, but lost a decision.