The 2022–23 Stephen F. Austin Lumberjacks basketball team represented Stephen F. Austin State University in the 2022–23 NCAA Division I men's basketball season.

The Lumberjacks, led by seventh-year head coach Kyle Keller, played their home games at the William R. Johnson Coliseum in Nacogdoches, Texas as members of the Western Athletic Conference.

The Lumberjacks finished the 2021–22 season 22–10, 14–4 in WAC play to finish as WAC regular season co-champions, alongside New Mexico State and Seattle.

3 seed in the WAC tournament, they were upset by No.

[1] They were invited to the CBI, where they lost to 2021–22 UNC Asheville Bulldogs men's basketball team in the first round.