| Sport: | Basketball |
| Year: | 2003–04 |
| Team: | Cincinnati Bearcats |
| Conference: | Conference USA |
| Short Conf: | C-USA |
| Coachrank: | 18 |
| Aprank: | 11 |
| Record: | 25–7 |
| Conf Record: | 12–4 |
| Hc Year: | 15th |
| Ac1 Year: | 8th |
| Asst Coach2: | Andy Kennedy |
| Ac2 Year: | 3rd |
| Champion: | Conference USA Regular season co-champions Conference USA tournament champions |
| Tourney Result: | second round |
The 2003–04 Cincinnati Bearcats men's basketball team represented University of Cincinnati as a member of Conference USA during the 2003–04 NCAA Division I men's basketball season. The head coach was Bob Huggins, serving in his 15th year at the school. The team finished in a 5-way tie atop the conference regular season standings and won the Conference USA tournament titles to earn an automatic bid to the NCAA tournament as No. 4 seed in the Atlanta region. After an opening round victory over East Tennessee State, Cincinnati was beaten in the second round by No. 5 seed Illinois, 92–68. The Bearcats finished with a 25–7 record (12–4 C-USA).
Source[1]
|-!colspan=12 style=|Regular Season
|-!colspan=12 style=|Conference USA Tournament |-!colspan=12 style=|NCAA tournament
See main article: 2003–04 NCAA Division I men's basketball rankings. *AP did not release a Week 1 poll nor post-NCAA Tournament rankings