| Year: | 1984 |
| Team: | LSU Tigers |
| Sport: | football |
| Conference: | Southeastern Conference |
| Short Conf: | SEC |
| Coachrank: | 16 |
| Aprank: | 15 |
| Record: | 8–3–1 |
| Conf Record: | 4–1–1 |
| Head Coach: | Bill Arnsparger |
| Hc Year: | 1st |
| Off Coach: | Ed Zaunbrecher |
| Oc Year: | 1st |
| Def Coach: | John Symank |
| Dc Year: | 1st |
| Stadium: | Tiger Stadium |
| Bowl: | Sugar Bowl |
| Bowl Result: | L 10–28 vs. Nebraska |
The 1984 LSU Tigers football team represented Louisiana State University (LSU) as a member of the Southeastern Conference (SEC) during the 1984 NCAA Division I-A football season. Led by first-year head coach Bill Arnsparger, the Tigers compiled an overall record of 8–3–1, with a mark of 4–1–1 in conference play, and finished second in the SEC.[1]