According to an embodiment of the present disclosure, an electronic device may include: a housing; an antenna structure positioned in the housing and including a printed circuit board, multiple first antenna elements, multiple second antenna elements, and multiple electrical paths; and a wireless communication circuit electrically connected to the multiple first antenna elements through the electrical paths, wherein: the printed circuit board includes a first surface oriented in a first direction and a second surface oriented in a second direction opposite to the first direction; the multiple first antenna elements are positioned in the printed circuit board on the first surface or to be closer to the first surface than the second surface, configured to generate circular polarization, and include, when seen from above the first surface, a first border and a third border spaced apart from each other and extending in parallel to each other, a second border and a fourth border spaced apart from each other by a distance between the first border and the third border, extending in parallel to each other, and disposed to be perpendicular to the first border or the third border, and multiple first notches formed on the first border, the second border, the third border, and the fourth border and arranged at a 90-degree angle with reference to a center of each of the multiple first antenna elements; the multiple second antenna elements are positioned in the printed circuit board to be closer to the second surface than the multiple first antenna elements, overlap with, when seen from above the first surface, the multiple first antenna elements one-to-one, configured to generate circular polarization, and include, when seen from above the first surface, a fifth border and a seventh border spaced apart from each other and extending in parallel to each other, a sixth border and an eighth border spaced apart from each other by a distance between the fifth border and the seventh border, and disposed to be perpendicular to the fifth border or the seventh border, and multiple second notches formed on the fifth border, the sixth border, the seventh border, and the eighth border, arranged at a 90-degree angle with reference to the center, and overlapping with at least some of the multiple first notches one-to-one; and the multiple electrical paths are positioned on the printed circuit board and include multiple conductive vias electrically connected to the multiple first antenna elements; the printed circuit board includes a first conductive layer including the multiple first antenna elements, a second conductive layer including the multiple second antenna elements, a first dielectric positioned between the first conductive layer and the second conductive layer, a third conductive layer configured to electrically connect the multiple conductive vias to the wireless communication circuit and positioned in the printed circuit board to be closer to the second surface than the second conductive layer, a fourth conductive layer including a ground plane and positioned in the printed circuit board to be closer to the second surface than the third conductive layer, and a second dielectric positioned between the third conductive layer and the fourth conductive layer and having a greater dielectric constant than the first dielectric; each of the multiple second antenna elements includes a hole; each of the multiple conductive vias is positioned to extend through the hole; the multiple second antenna elements are configured to be indirectly fed by the multiple conductive vias; and the multiple first notches have different shapes from the multiple second notches.