The 2003–04 Monmouth Hawks men's basketball team represented Monmouth University during the 2003–04 NCAA Division I men's basketball season.

The Hawks, led by 7th-year head coach Dave Calloway, played their home games at the William T. Boylan Gymnasium and were members of the Northeast Conference.

They won the Northeast Conference Basketball tournament to earn the conference's automatic bid to the NCAA tournament.

15 seed in the South region, the Hawks were beaten by No.

2 seed Mississippi State in the opening round.