The 2017–18 Iona Gaels men's basketball team represented Iona College during the 2017–18 NCAA Division I men's basketball season.

The Gaels, led by eighth-year head coach Tim Cluess, played their home games at the Hynes Athletic Center in New Rochelle, New York as members of the Metro Atlantic Athletic Conference (MAAC).

4 seed in the 2018 MAAC tournament, they defeated Manhattan, Saint Peter's and Fairfield, to become champions of the MAAC tournament for the third consecutive time.

[1] They earned the MAAC's automatic bid to the NCAA tournament, where they lost in the first round to Duke, 89–67.

As a result, they received the MAAC's automatic bid to the 2017 NCAA tournament as the No.