Roger Johnson (born 28 April 1983) is an English footballer who plays as a central defender for National League club Bromley.
Johnson began his career with Wycombe Wanderers, where he spent six years as a professional. He then joined Welsh side Cardiff City in 2006 for £275,000. He was part of the team that reached the 2008 FA Cup Final and was twice chosen as the club's Player of the Year in his three-year stint with the club.