| Mode: | Basketball |
| Sex: | none |
| Year: | 1988–89 |
| Prev Year: | 1987–88 |
| Next Year: | 1989–90 |
| Team: | Southern Jaguars |
| Conference: | Southwestern Athletic Conference |
| Short Conf: | SWAC |
| Record: | 20–11 |
| Conf Record: | 10–4 |
| Hc Year: | 3rd |
| Champion: | SWAC Regular season champions SWAC tournament champions |
The 1988–89 Southern Jaguars basketball team represented Southern University during the 1988–89 NCAA Division I men's basketball season. The Jaguars, led by head coach Ben Jobe, played their home games at the F. G. Clark Center and were members of the Southwestern Athletic Conference. They finished the season 20–11, 10–4 in SWAC play to finish in a tie for first place. They were champions of the SWAC tournament to earn an automatic bid to the 1989 NCAA tournament where they lost in the opening round to North Carolina.
|-!colspan=9 style=| Regular season
|-!colspan=9 style=| 1989 SWAC tournament|-!colspan=9 style=|1989 NCAA tournament[1] [2]