| Year: | 2004–05 |
| Team: | Fairleigh Dickinson Knights |
| Sport: | Basketball |
| Conference: | Northeast Conference |
| Short Conf: | NEC |
| Record: | 20–11 |
| Conf Record: | 13–5 |
| Head Coach: | Tom Green |
| Hc Year: | 22nd |
| Arena: | Rothman Center |
| Champion: | NEC tournament champions |
| Tourney: | NCAA tournament |
| Tourney Result: | First Round |
The 2004–05 Fairleigh Dickinson Knights men's basketball team represented Fairleigh Dickinson University during the 2004–05 NCAA Division I men's basketball season. The team was led by 22nd-year head coach Tom Green. The Knights played their home games at the Rothman Center in Hackensack, New Jersey as members of the Northeast Conference.
The Knights compiled a 20–13 record and went 13–5 in NEC play to finish second in the conference regular season standings. They defeated St. Francis, Long Island, and Wagner to capture the NEC tournament championship. The Knights received the conference's automatic bid to the NCAA tournament as No. 16 seed in the Midwest region. The Knights fell to No. 1 overall seed and eventual National runner-up Illinois, 67–55, in the opening round.[1]
|- !colspan=9 style=| Regular season
|-!colspan=9 style=| NEC tournament|-!colspan=9 style=| NCAA tournament