An ultrasonic cleaning apparatus includes: an ultrasonic vibrator (11) a liquid storage part (12) provided in contact with the ultrasonic vibrator an inflow port (12a) that makes a cleaning liquid (13) flow in the liquid storage part and an outflow port (12b) that makes the cleaning liquid flow out of the liquid storage part. A contact surface (11a), of the ultrasonic vibrator, which comes into contact with the cleaning liquid, is disposed lower than each of the inflow port and the outflow port.