| 2011 Horizon League men's basketball tournament | |
|---|---|
 | |
| Classification | Division I |
| Season | 2010–11 |
| Teams | 10 |
| First round site | campus sites |
| Semifinals site | U.S. Cellular Arena Milwaukee, Wisconsin |
| Finals site | U.S. Cellular Arena Milwaukee, Wisconsin |
| Champions | Butler (7th title) |
| Winning coach | Brad Stevens (3rd title) |
| MVP | Matt Howard (Butler) |
| Television | ESPN, ESPNU, ESPN3 and Horizon League Network |
The 2011 Horizon League men's basketball tournament was played Tuesday, March 1 through Tuesday, March 8. The Horizon League Network broadcast the opening rounds, which were played at the home courts of the higher seeds. The quarterfinals and semifinals were broadcast by ESPNU and took place at U.S. Cellular Arena in Milwaukee, the home court of the #1 overall seed, the Milwaukee Panthers. As Milwaukee defeated Valparaiso in its semifinal match, it secured host status for the championship game against Butler as well; the final was broadcast by ESPN/ESPN3.com. Butler defeated Milwaukee 59–44 in the final, winning its second consecutive Horizon League tournament title and receiving an automatic bid to the 2011 NCAA tournament.