The 2022–23 Lamar Cardinals basketball team represented Lamar University during the 2022–23 NCAA Division I men's basketball season.

The Cardinals were led by second-year head coach Alvin Brooks and played their home games at the Montagne Center in Beaumont, Texas.

The Cardinals failed to qualify for the SLC tournament.

Receiving 44 votes overall, the Cardinals were picked to finish ninth in the conference.

[7] No Cardinals were selected as members of a Preseason all conference team.