| Year: | 1990 |
| Team: | LSU Tigers |
| Sport: | football |
| Conference: | Southeastern Conference |
| Short Conf: | SEC |
| Record: | 5–6 |
| Conf Record: | 2–5 |
| Head Coach: | Mike Archer |
| Hc Year: | 4th |
| Off Coach: | Ed Zaunbrecher |
| Oc Year: | 6th |
| Off Scheme: | Multiple |
| Def Coach: | John Mitchell |
| Dc Year: | 1st |
| Def Scheme: | 3–4 |
| Stadium: | Tiger Stadium |
The 1990 LSU Tigers football team represented Louisiana State University (LSU) during the 1990 NCAA Division I-A football season. The team was led by Mike Archer in his fourth season and finished with an overall record of five wins and six losses (5–6 overall, 2–5 in the SEC).[1]
Archer announced his resignation November 15, but coached the Tigers in their last two games.[2]