| Sport: | football |
| Year: | 1981 |
| Team: | Humboldt State Lumberjacks |
| Conference: | Far Western Conference |
| Short Conf: | FWC |
| Record: | 6–4 |
| Conf Record: | 3–2 |
| Head Coach: | Bud Van Deren |
| Hc Year: | 16th |
| Stadium: | Redwood Bowl |
The 1981 Humboldt State Lumberjacks football team represented Humboldt State University during the 1981 NCAA Division II football season. Humboldt State competed in the Far Western Conference (FWC).[1]
The 1981 Lumberjacks were led by head coach Bud Van Deren in his 16th season. They played home games at the Redwood Bowl in Arcata, California. Humboldt State finished with a record of six wins and four losses (6–4, 3–2 FWC). The Lumberjacks outscored their opponents 204–198 for the season.