An ultrasonic bonding apparatus includes a stage on which a display panel is seated, a first ultrasonic generation unit which is connected to the stage and vibrates in a first direction and provide a first polarization, and a second ultrasonic generation unit in which an electronic component is seated and which vibrates in a second direction that is crossed with the first direction, and provides a second polarization, where a third polarization is provided on a plane on which the display panel contacts the electronic component.