| Year: | 2020 |
| Team: | Jacksonville State Gamecocks |
| Sport: | football |
| Conference: | Ohio Valley Conference |
| Short Conf: | OVC |
| Statsrank: | 7 |
| Fcscoachrank: | 7 |
| Record: | 10–3 |
| Conf Record: | 6–1 |
| Head Coach: | John Grass |
| Hc Year: | 7th |
| Off Coach: | Jimmy Ogle |
| Oc Year: | 21st |
| Codef Coach1: | William Green |
| Codc1 Year: | 2nd |
| Codef Coach2: | Owen Kilgore |
| Codc2 Year: | 2nd |
| Stadium: | Burgess–Snow Field at JSU Stadium |
| Champion: | OVC champion |
| Bowl: | NCAA Division I Quarterfinal |
| Bowl Result: | L 14–20 vs. Delaware |
The 2020 Jacksonville State Gamecocks football team represented Jacksonville State University as a member of the Ohio Valley Conference (OVC) during the 2020–21 NCAA Division I FCS football season. Led by seventh-year head coach John Grass, the Gamecocks compiled an overall record of 10–3, with a mark of 6–1 conference play, winning the OVC title. Jacksonville State received the OVC's automatic bid to the NCAA Division I Football Championship. The Gamecocks defeated Davidson in the first round before losing to Delaware in the quarterfinals. The team played home games at Burgess–Snow Field at JSU Stadium in Jacksonville, Alabama.