According to various embodiments, an electronic device may comprise: a housing; an antenna structure disposed in an inner space of the housing, the antenna structure including a substrate having a first surface and a second surface oriented toward a direction opposite to the first surface, and at least one first antenna element disposed in a space between the first surface and the second surface and having a beam pattern formed toward a conductive part; an electric wave absorbing member disposed between the conductive part and the at least one first antenna element so as to be disposed in a path in which the beam pattern is formed; and a first wireless communication circuit disposed in the inner space of the housing and configured to transmit or receive a wireless signal of a first frequency band through the at least one first antenna element.