Akeem Brian Davis-Gaither (born September 21, 1997) is an American professional football linebacker for the Arizona Cardinals of the National Football League (NFL). He has previously played in the NFL for the Cincinnati Bengals. He played college football for the Appalachian State Mountaineers.

Davis-Gaither attended Thomasville High School in Thomasville, North Carolina. As a senior in 2015, he had 115 tackles with five sacks and also had eight rushing touchdowns as a running back. He committed to Appalachian State University to play college football.

Davis-Gaither played at Appalachian State from 2015 to 2019. As a senior in 2019, he was the Sun Belt Conference Defensive Player of the Year after recording 101 tackles, five sacks and an interception. For his career, Davis-Gaither had 201 tackles, 6.5 sacks and the interception.

Davis-Gaither was selected by the Cincinnati Bengals in the fourth round with the 107th pick of the 2020 NFL draft. In Week 17 against the Baltimore Ravens, Davis-Gaither recorded his first career interception off a pass thrown by Lamar Jackson during the 38–3 loss.

On November 9, 2021, Davis-Gaither was placed on injured reserve after suffering a foot injury in Week 9. In 2022, Davis recorded a career high 46 tackles and his first fumble recovery. He also intercepted a pass in the Bengals wildcard playoff win against the Ravens.

On March 13, 2024, Davis-Gaither signed a one-year contract extension with the Bengals.

On March 13, 2025, Davis-Gaither signed with the Arizona Cardinals on a two-year, $11 million contract.