The 2017–18 Marquette Golden Eagles men's basketball team represented Marquette University in the 2017–18 NCAA Division I men's basketball season.

The Golden Eagles, led by fourth-year head coach Steve Wojciechowski, played their home games at the BMO Harris Bradley Center as members of the Big East Conference.

4 seed in the Big East tournament, they lost to Seton Hall in the quarterfinals.

7 South Carolina in the First Round, who eventually won the East Region and made it to the Final Four.

[2] Sophomore guard Markus Howard was named to the preseason All-Big East second team.