Aixa Middleton González (born 6 February 1988) is a Panamanian track and field athlete who competes in the discus throw. Her personal best of 55.00 m (180 ft 5+1⁄4 in) is the Panamanian national record for the event. She has represented her country at the Central American and Caribbean Games (2010, 2014), the South American Championships in Athletics (2013, 2015), the Ibero-American Championships in Athletics (2010, 2014) and the 2015 Pan American Games.