The 2005 Southland Conference men's basketball tournament took place March 8–13, 2005. The quarterfinal and semifinal rounds were played at the home arena of the higher seeded-teams, with the championship game played at Prather Coliseum in Natchitoches, Louisiana.[1]
The top eight 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.