| Year: | 1990 |
| Team: | Grambling State Tigers |
| Sport: | football |
| Conference: | Southwestern Athletic Conference |
| Short Conf: | SWAC |
| Record: | 8–3 |
| Conf Record: | 3–3 |
| Head Coach: | Eddie Robinson |
| Hc Year: | 48th |
| Stadium: | Eddie G. Robinson Memorial Stadium |
The 1990 Grambling State Tigers football team represented Grambling State University as a member of the Southwestern Athletic Conference (SWAC) during the 1990 NCAA Division I-AA football season. Led by 48th-year head coach Eddie Robinson, the Tigers compiled an overall record of 8–3 and a mark of 3–3 in conference play, and finished tied for third in the SWAC.