John Colin Foster (born 19 September 1973) is an English football manager and former professional footballer who played as a defender.
Foster began his career with Manchester City, playing several season in the Premier League. He later played in the Football League for Carlisle United and Bury before turning out at non-league level with Hyde United, Mossley, Trafford, Radcliffe Borough and Salford City. He spent a brief spell in charge of Salford in 2005.