A. J. Thomas (born September 18, 1999) is an American professional football safety for the St. Louis Battlehawks of the United Football League (UFL). He played college football at Western Michigan.
After going unselected in the 2022 NFL draft, Thomas was signed by the Chicago Bears as an undrafted free agent. He was released on August 30, during the final roster cuts, and was signed to the practice squad the next day. Thomas was elevated to the active roster on November 29, and made his NFL debut on December 4 against the Green Bay Packers, recording one tackle while appearing on 13 snaps.
On August 30, 2023, Thomas was waived by the Bears and re-signed to the practice squad. He was released on October 29.
On February 14, 2024, Thomas signed with the Birmingham Stallions of the United Football League (UFL). He was named to the 2024 All-UFL team on June 5, 2024. His contract was terminated on August 1, 2024.
On August 2, 2024, Thomas signed with the New England Patriots. He was waived on August 27, and re-signed to the practice squad. He was released on September 16.
On January 14, 2025, Thomas re-signed with the Birmingham Stallions of the United Football League (UFL). He was placed on injured reserve on June 4, 2025.
On January 13, 2026, Thomas was selected by the St. Louis Battlehawks in the 2026 UFL Draft.