John Christian Galliquio Castro (born 1 December 1979) is a Peruvian footballer who plays as a centre-back. He currently plays for FBC Melgar in the Torneo Descentralizado. He was called to play for the Peru national football team for the Copa America 2007, where he played 4 games with a regular performance.Galliquio has made 41 appearances for the Peru national football team scoring one goal.