| Year: | 1986 |
| Team: | Stephen F. Austin Lumberjacks |
| Sport: | football |
| Conference: | Gulf Star Conference |
| Short Conf: | GSC |
| Record: | 5–6 |
| Conf Record: | 1–3 |
| Head Coach: | Jim Hess |
| Hc Year: | 5th |
| Stadium: | Homer Bryce Stadium |
The 1986 Stephen F. Austin Lumberjacks football team was an American football team that represented Stephen F. Austin State University during the 1986 NCAA Division I-AA football season as a member of the Gulf Star Conference (GSC). Led by fifth-year head coach Jim Hess, the Lumberjacks compiled a 5–6 record, with a mark of 1–3 in conference play, and finished fifth in the GSC.