Cristian Esteban Gamboa Luna, commonly known as Cristian Gamboa, is a Costa Rican footballer who plays for Celtic.

He is a pacy right back with both attacking and defensive capabilities.

Gamboa joined Rosenborg on a three-month-loan deal in August 2012 with the Norwegian club having an option to buy. By November he had impressed sufficiently in the ten games he played in for Rosenborg for them to offer him a permanent deal, and he signed five-year contract with the club.In late July 2014, English Premier League club West Bromwich Albion agreed to sign Gamboa for a fee estimated in the media as around £2 million. From January 2015 onwards to the end of the season, Gamboa only played one minute of first team football, coming on as an injury-time substitute in a fifth round FA Cup tie against West Ham in February 2015. On 30 August 2016, Gamboa signed for Scottish Premiership club Celtic on a three-year deal.

He made his debut for the Costa Rica national football team in January 2010. He was selected for the Costa Rica squad that took part at the 2014 FIFA World Cup, and played in all five games, reaching the quarter final where they eventually knocked out on penalty kicks by the Netherlands.