An electronic device is provided. The electronic device includes a housing including a first face, a second face, and a side face that at least partially encloses a space between the first face and the second face, a conductive member configured to form at least a portion of the side face, a ground member, at least one communication circuit, and a conductive pattern positioned within the housing, the conductive pattern electrically connected to the communication circuit and the ground member, a first electric path positioned within the housing, and configured to electrically interconnect another end of the conductive member and the communication circuit, a second electric path configured to electrically interconnect the first electric path or the conductive member and the ground member, and a third electric path configured to electrically interconnect the first electric path or the conductive member and the ground member, and including a switching circuit.