2004–05 Delaware State Hornets men's basketball team

The 2004–05 Delaware State Hornets men's basketball team represented Delaware State University during the 2004–05 NCAA Division I men's basketball season. The Hornets, led by head coach Greg Jackson, played their home games at Memorial Hall and were members of the Mid-Eastern Athletic Conference. They finished the season 19–14, 14–4 in MEAC play to finish in first place. They defeated Bethune-Cookman, South Carolina State, and Hampton to win the MEAC tournament and secure the conference's automatic bid to the NCAA tournament – the first, and only, appearance in school history. Playing as No. 16 seed in the South region, the Hornets were beaten by No. 1 seed Duke in the opening round.

Schedule and results
!colspan=9 style=| Regular season

!colspan=9 style=| MEAC tournament

!colspan=9 style=| NCAA tournament