| Year: | 1973 |
| Team: | Grambling Tigers |
| Sport: | football |
| Conference: | Southwestern Athletic Conference |
| Short Conf: | SWAC |
| Record: | 10–3 |
| Conf Record: | 5–1 |
| Head Coach: | Eddie Robinson |
| Hc Year: | 31st |
| Stadium: | Grambling Stadium |
| Champion: | SWAC co-champion |
| Bowl: | Grantland Rice Bowl |
| Bowl Result: | L 20–28 vs. Western Kentucky |
| Next: | 1974 |
The 1973 Grambling Tigers football team was an American football team that represented Grambling College (now known as Grambling State University) as a member of the Southwestern Athletic Conference (SWAC) during the 1973 NCAA Division II football season. In its 31st season under head coach Eddie Robinson, Grambling compiled a 10–3 record (5–1 against conference opponents), tied for the SWAC championship, and outscored opponents by a total of 339 to 176. In two post-season games, the Tigers defeated Delaware in the Boardwalk Bowl and lost to Western Kentucky in the Grantland Rice Bowl.[1]