The 2018–19 Butler Bulldogs men's basketball team represented Butler University in the 2018–19 NCAA Division I men's basketball season.

The Bulldogs played their home games at Hinkle Fieldhouse in Indianapolis, Indiana as members of the Big East Conference.

They finished the season 16–17, 7–11 in Big East play which tied them for eighth place.

9 seed in the Big East tournament, they were defeated by Providence in the quarterfinals.

6 seed in the Big East tournament, they defeated Seton Hall before losing to Villanova in the semifinals.