The 2017–18 IUPUI Jaguars men's basketball team represented Indiana University–Purdue University Indianapolis during the 2017–18 NCAA Division I men's basketball season.

The Jaguars, led by fourth-year head coach Jason Gardner, played their home games at Indiana Farmers Coliseum in Indianapolis, Indiana, with one home game at The Jungle, as first-year members of the Horizon League.

They lost in the quarterfinals of the Horizon League tournament to Oakland.

The season marked the first season as members of the Horizon League as IUPUI replaced Valparaiso who left to join the Missouri Valley Conference.

They defeated North Dakota State in the quarterfinals of the Summit League tournament to advance to the semifinals where they lost to Omaha.