The 2018–19 Ball State Cardinals men's basketball team represented Ball State University during the 2018–19 NCAA Division I men's basketball season.

The Cardinals, led by sixth-year head coach James Whitford, played their home games at Worthen Arena as members of the West Division of the Mid-American Conference.

They finished the season 16–17, 6–12 in MAC play to finish in fifth place in the West Division.

They defeated Eastern Michigan in the first round of the MAC tournament before losing in the quarterfinals to Bowling Green.

They lost in the quarterfinals of the MAC tournament to Kent State.