Teen Challenge UK is a charity registered in the UK and operates nationally to help young people who have developed life controlling problems, especially drug and alcohol addictions, and also to offer preventative help to those who may be in danger of doing so. Teen Challenge UK started in the late Seventies and now works in fifteen locations in England, Wales, Northern Ireland and Scotland. Teen Challenge London and Teen Challenge Strathclyde grew out of Teen Challenge UK and are now affiliated works.

Teen Challenge UK is a Christian faith based organisation.