Rubén Sánchez León (born August 21, 1973) is a Mexican retired professional boxer.
He is the former WBO flyweight champion.
Rubén turned professional in 1992 and compiled a record of 22–7–1 before upsetting Argentina's Carlos Gabriel Salazar with an eighth round stoppage victory to win the WBO flyweight title.
He defended it once against Italian contender Salvatore Fanni before losing the title against Jose Antonio Lopez Bueno via stoppage loss.
He would move up to super flyweight and face WBO champion Fernando Montiel in a non title fight, he would lose via second round stoppage.