The 2017–18 Duke Blue Devils men's basketball team represented Duke University during the 2017–18 NCAA Division I men's basketball season.

The Blue Devils played their home games at Cameron Indoor Stadium in Durham, North Carolina as members of the Atlantic Coast Conference.

They defeated Notre Dame in the quarterfinals of the ACC tournament before losing to North Carolina in the semifinals.

There they defeated Iona, Rhode Island, and Syracuse to advance to the Elite Eight.

They received the ACC's automatic bid to the NCAA tournament as the East Region's #2 seed, where they defeated #15 Troy in the First Round before being upset by #7 South Carolina in the Second Round.