Provided is a wireless power transmission system for a rotating connector. A wireless power transmission system for a rotating connector according to an embodiment of the present invention comprises: a wireless power transmission module comprising a first magnetic core and a first coil, provided on a fixed first connector, and using the power thereof to generate a magnetic field and transmit wireless power; and a wireless power receiving module comprising a second magnetic core and a second coil, and provided on a second connector, which is rotatably connected to the first connector, to receive the transmitted wireless power and supply same to the second connector. The first and second magnetic cores are positioned in a straight line along the rotational axis of the second connector.