The 2015 Missouri Valley Conference men's basketball tournament, popularly referred to as "Arch Madness", was an event held March 5–8, at the Scottrade Center in St. Louis.

It was part of the 2014–15 NCAA Division I men's basketball season.

Teams were seeded by conference record, with a ties broken by record between the tied teams followed by non-conference strength of schedule, if necessary.

The top six seeds received first round byes.