The 2017–18 Notre Dame Fighting Irish men's basketball team represented the University of Notre Dame during the 2017–18 NCAA Division I men's basketball season.

The Fighting Irish, led by 18th-year head coach Mike Brey, played their home games at Edmund P. Joyce Center in South Bend, Indiana as fifth-year members of the Atlantic Coast Conference.

They were one of the last four teams not selected for the NCAA tournament and as a result earned a No.

They defeated Virginia and Florida State to advance to the championship game of the ACC tournament where they lost to Duke.

They received an at-large bid to the NCAA tournament as the No.