Gonzalo "Chory" Castro Irizábal (born 14 September 1984) is a Uruguayan professional footballer who plays for Club Nacional de Football as a left winger.
He started and ended his career at Nacional, but played mostly in La Liga after arriving in Spain at the age of 22, appearing in a combined 296 matches for Mallorca, Real Sociedad and Málaga over 11 seasons and scoring 41 goals.
During eight years, Castro won five caps for the Uruguayan national team.