Fredrick Lee Kerley (born May 7, 1995) is an American track and field sprinter known primarily for competing in the 400 meters distance. He has earned several medals at the World Championships in the 400 m and 4 × 400 m relay including an individual bronze and a relay gold at the 2019 edition. Kerley's personal best time of 43.64 seconds makes him the eighth fastest man in history over 400 m. After focusing on sprinting, he won the silver medal in the 100m at the 2020 Tokyo Olympics.