The Cheshire Rugby Football Union (CRFU) is a rugby uniongoverning body in the historic county of Cheshire and the Isle of Man. The union is the constituent body of the Rugby Football Union (RFU) for Cheshire. The CRFU administers and organises rugby union clubs and competitions in the county and administers the Cheshire county rugby representative teams.
The Cheshire RFU currently helps run the following club competitions for club sides based in Cheshire, parts of Merseyside and Manchester, and the Isle of Man: