| Year: | 1998 |
| Team: | Jacksonville State Gamecocks |
| Sport: | football |
| Conference: | Southland Football League |
| Short Conf: | Southland |
| Record: | 7–4 |
| Conf Record: | 4–3 |
| Head Coach: | Mike Williams |
| Hc Year: | 2nd |
| Off Coach: | Doug Meacham |
| Oc Year: | 2nd |
| Def Coach: | Charles Kelly |
| Dc Year: | 2nd |
| Stadium: | Paul Snow Stadium |
The 1998 Jacksonville State Gamecocks football team represented Jacksonville State University as a member of the Southland Football League during the 1998 NCAA Division I-AA football season. Led by second-year head coach Mike Williams, the Gamecocks compiled an overall record of 7–4 with a mark of 4–3 in conference play, placing fourth in the Southland. Jacksonville State played home games at Paul Snow Stadium in Jacksonville, Alabama.