2018 Missouri Valley Conference men's basketball tournament

2018 Missouri Valley Conference men's basketball tournament
ClassificationDivision I
Season2017–18
Teams10
SiteScottrade Center
St. Louis, Missouri
ChampionsLoyola–Chicago (1st title)
Winning coachPorter Moser (1st title)
MVPDonte Ingram (Loyola–Chicago)
TelevisionCBS, CBSSN, MVC TV (ESPN3)
← 2017
2019 →
2017–18 Missouri Valley Conference men's basketball standings
Conf Overall
Team W   L   PCT W   L   PCT
Loyola Chicago 15 3   .833 32 6   .842
Southern Illinois 11 7   .611 20 13   .606
Illinois State 10 8   .556 18 15   .545
Drake 10 8   .556 17 17   .500
Bradley 9 9   .500 20 13   .606
Indiana State 8 10   .444 13 18   .419
Missouri State 7 11   .389 18 15   .545
Evansville 7 11   .389 17 15   .531
Northern Iowa 7 11   .389 16 16   .500
Valparaiso 6 12   .333 15 17   .469
2018 MVC tournament winner

The 2018 Missouri Valley Conference men's basketball tournament, popularly referred to as "Arch Madness", was the postseason men's basketball tournament that completed the 2017–18 season in the Missouri Valley Conference. The Tournament was held at the Scottrade Center, now known as the Enterprise Center, in St. Louis, Missouri from March 1–4, 2018.

The Tournament marked the first tournament with Valparaiso as a member of the MVC, having replaced Wichita State when the Shockers joined the American Athletic Conference in June 2017.

The tournament's top seed, Loyola–Chicago defeated the No. 3 seed Illinois State in the championship game to receive the Missouri Valley's automatic bid to the NCAA tournament.