King's College Hospital RFC is an open rugby union club founded in the 19th century as a football club whose representatives were made up of medics from King's College Hospital. In its original form it was one of the twenty-one founding members of the Rugby Football Union, and produced a number of international players in the sport's early international fixtures. The merging of King's College Hospital medical department in 1999 with the already merged Guy's Hospital and St Thomas' Hospital led to the creation of Guy's, Kings and St. Thomas' Rugby Football Club, an amalgam of three formerly distinct hospital rugby clubs each with a long history. King's College Hospital Rugby Football Club opted to remain a separate entity in so doing became an open rugby club that no longer represented the