Gilberto Ramírez Sánchez (born 19 June 1991) is a Mexican professional boxer who has held the World Boxing Association (WBA) (Super) cruiserweight title since March 2024. He previously held the WBO super middleweight title from 2016 to 2019, and is the first boxer from Mexico to win a major world title in those weight classes. As of April 2024, Ramírez is ranked as the world's best active cruiserweight by BoxRec, sixth by The Ring magazine, and seventh by the Transnational Boxing Rankings Board.