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.