According to various example embodiments, a wearable electronic device is provided, the wearable electronic device including a metal housing used as an antenna radiator and electrically connected to a communication circuit, at least one metal strap coupled to at least one region of the metal housing, and a non-conductive member comprising a non-conductive material disposed between the metal strap and the metal housing, wherein the non-conductive member electrically insulates the metal strap and the metal housing.