Various embodiments of the disclosure relate to an electronic device including an antenna. The electronic device may include: a housing; a main board disposed in an internal space of the housing and including a first surface oriented in a first direction, a second surface facing a direction opposite the first direction, and a through hole; and an antenna module disposed on the main board. The antenna module may include: a board at least partially disposed in the through hole and including a plurality of antenna elements; and a wireless communication circuit configured to transmit and/or receive a wireless signal in a predetermined frequency band via the plurality of antenna elements, the wireless communication circuit disposed on the second surface of the main board.