2017–18 Illinois State Redbirds men's basketball team

The 2017–18 Illinois State Redbirds men's basketball team represented Illinois State University during the 2017–18 NCAA Division I men's basketball season. The Redbirds, led by sixth-year head coach Dan Muller, played their home games at Redbird Arena in Normal, Illinois as a member of the Missouri Valley Conference. They finished the season 18–15, 10–8 in conference play, to finish in a tie for the third place. As the number three seed in the MVC tournament, they defeated Missouri State in their quarterfinal game and Southern Illinois in their semifinal game before being beaten by Loyola–Chicago in the final.

Previous season
The Redbrids finished the 2016–17 NCAA Division I men's basketball season 28–7, 17–1 in conference play, to finish in a tie for first place. As the number one seed in the MVC tournament, they defeated Evansville in their quarterfinal game and Southern Illinois in their semifinal game before being beaten by Wichita State in the final.

Although not winning the conference tournament, the Redbirds held the tie-breaker for the regular season title and, as a result, received an automatic bid to the National Invitation Tournament. They were awarded a number one seed where they defeated California–Irvine in their first-round game before losing to Central Florida in their second-round game.

Preseason
In the conference's preseason poll, the Redbirds were picked to finish in fourth place in the MVC. Junior forward Phil Fayne was named to the preseason All-MVC second team.

Schedule and results
!colspan=9 style=|Exhibition Season

!colspan=9 style=|Non-Conference Regular Season

!colspan=9 style=|Missouri Valley Conference Regular Season

!colspan=9 style=|State Farm Missouri Valley Conference {MVC} Tournament



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