A rotating connector includes a movable housing and a steering angle sensor unit. The movable housing includes a cylindrical section through which a steering shaft penetrates and a main gear integrally molded with the movable housing on an outer circumferential surface of the cylindrical section along a rotation direction. The steering angle sensor unit includes a fixed-side housing into which the cylindrical section of the movable housing is inserted, a satellite gear which is provided in the fixed-side housing and meshed with the main gear, and a rotation angle detection unit which is provided in the fixed-side housing and detects rotation of the satellite gear.