1990 Grambling State Tigers football team

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.