A. J. McKee (born April 7, 1995) is an American mixed martial artist currently competing in Bellator's Featherweight and Lightweight division, where he is the former Bellator Featherweight Champion. As of October 4, 2022, he is #3 in the Bellator men's pound-for-pound rankings, #2 in the Bellator Featherweight Rankings, and #8 in the Bellator Lightweight Rankings.