| Mode: | Basketball |
| Year: | 1989–90 |
| Prev Year: | 1988–89 |
| Next Year: | 1990–91 |
| Team: | South Florida Bulls |
| Conference: | Sun Belt Conference |
| Short Conf: | Sun Belt |
| Record: | 20–11 |
| Conf Record: | 9–5 |
| Hc Year: | 4th |
| Asst Coach1: | Bobby Bowman |
| Asst Coach2: | Dennis Donaldson |
| Asst Coach3: | Tommy Tonelli |
| Champion: | Sun Belt tournament champions |
The 1989–90 South Florida Bulls men's basketball team represented the University of South Florida Bulls in the 1989–90 NCAA Division I men's basketball season. This was the 19th season in school history. The team was coached by Bobby Paschal in his fourth year at the school, and USF played its home games in the USF Sun Dome. The Bulls finished the season 20–11, 9–5 in Sun Belt play, and won the Sun Belt tournament to receive an automatic bid to the NCAA tournament - the first in school history. USF lost to Arizona in the first round.
|-!colspan=9| Regular season|-!colspan=9| Sun Belt tournament|-!colspan=9| NCAA tournament[3]