Rafael Márquez Méndez (born 25 March 1975) is a Mexican former professional boxer who competed from 1995 to 2013.
He is a two-time world champion in two weight classes, having held the IBF bantamweight title from 2003 to 2007; and the WBC, Ring magazine, and lineal super bantamweight titles in 2007.
He also held the IBO bantamweight title from 2005 to 2007, and challenged once for WBO featherweight title in 2011.
Márquez was known for his formidable knockout power and relentless pressure fighting style.
His older brother Juan Manuel Márquez is also a professional boxer and multiple-time world champion.