The 2023 Stephen F. Austin Lumberjacks football team represented Stephen F. Austin State University as a member of the United Athletic Conference during the 2023 NCAA Division I FCS football season.

Led by fifth-year head coach Colby Carthel, the Lumberjacks played home games at Homer Bryce Stadium in Nacogdoches, Texas.

[1][2] [note 1]The game against Central Arkansas, a fellow member of the United Athletic Conference (UAC), was played as a non-conference game and did not count in the league standings.

[3]