The 2018–19 Western Michigan Broncos men's basketball team represented Western Michigan University during the 2018–19 NCAA Division I men's basketball season.

The Broncos were led by 16th-year head coach Steve Hawkins, and played their home games at University Arena as members of the West Division of the Mid-American Conference.

12 seed in the MAC tournament, they lost in the first round to Central Michigan.

The Broncos finished the 2016–17 season 17–15, 9–9 in MAC play to finish fourth in the West Division.

8 seed in the MAC tournament, they lost in the first round to Akron.