Glan Letheren (born 1 May 1956) is a Welsh former professional footballer.
He played in the Football League as a goalkeeper for Leeds United, Scunthorpe United, Chesterfield and Swansea City.
Despite being called up to the Wales squad, Letheren never achieved a full international cap.
He was also a successful cricketer in the South Wales Cricket Association, playing mainly for Dafen Welfare CC, as a medium pace bowler and middle order batsman.
Letheren's son Kyle also became a professional football goalkeeper.
He was also called up and remains uncapped by Wales.