To provide a rotating connector device having a simple structure where sound-muffling holes are formed in housings, etc., and making a low sound of sliding.

This rotating connector device is provided with a stator housing 1, a rotor housing 2 rotatively fitted to the stator housing 1, and a flexible cable 4 spirally wound and enclosed inside a space defined by both the housings 1, 2. A number of blind holes 222 are bored in an internal ceiling surface 221 of the rotor housing 2. A sheet 224 where a number of perforated holes 225 are bored is disposed between the internal ceiling surface 221 of the rotor housing 2, and the flexible cable 4 and the stator housing 1.