Graham Christopher Stack (born 26 September 1981) is a professional football coach and former player, who is the first-team goalkeeping coach at Cardiff City. Stack played as a goalkeeper for Arsenal, Beveren, Millwall, Reading, Leeds United, Wolverhampton Wanderers, Plymouth Argyle, Blackpool, Hibernian, Barnet, Kerala Blasters and Eastleigh. He also played in under-21 internationals for the Republic of Ireland.