Gilberto Rafael Serrano (born March 19, 1970) is a Venezuelan former professional boxer.
Serrano is most notable for having won the WBA World lightweight title during his career, which spanned from 1993 to 2004.
He retained the title in his first defence after stopping Hiroyuki Sakamoto in the fifth round.
However, in his next fight he lost his title to Takanori Hatakeyama via an eighth round knockout.
Serrano fought for a final time on November 15, 2004, beating Luis Cardozo by a unanimous decision.