| Year: | 2012 |
| Conference: | Southland Conference |
| Division: | I |
| Gender: | Men's |
| Teams: | 8 |
| Arena: | Merrell Center |
| City: | Katy, Texas |
| Champions: | Lamar |
| Titlecount: | 4th |
| Coach: | Pat Knight |
| Coachcount: | 1st |
| Mvp: | Mike James |
| Mvpteam: | Lamar |
| Television: | ESPN2, SLC TV |
The 2012 Southland Conference men's basketball tournament, a part of the 2011–12 NCAA Division I men's basketball season, took place March 7, 8 and 10, 2012 at the Merrell Center in Katy, Texas The winner of the tournament received the Southland Conference's automatic bid to the 2012 NCAA Tournament.
Tournament seeding, 1 through 8, was based upon regular-season winning percentage regardless of divisional place in Conference competition. The quarterfinals were broadcast online by the Conference's Internet streamer, SLC Now. The semi-finals were broadcast regionally on SLC TV and nationally on ESPN3 while the championship game was broadcast nationally on ESPN2 and ESPN3.