The 2003 Southland Conference men's basketball tournament took place March 10–14, 2003. The quarterfinal and semifinal rounds were played at the home arena of the higher seeded-teams, with the championship game played at Bernard Johnson Coliseum in Huntsville, Texas.[1]
The top six eligible men's basketball teams in the Southland Conference received a berth in the conference tournament. After the conference season, teams were seeded by conference record. For the semifinal round, the remaining teams were reseeded.