The 1990 Humboldt State Lumberjacks football team represented Humboldt State University—now known as California State Polytechnic University, Humboldt—as a member of the Northern California Athletic Conference (NCAC) during the 1990 NCAA Division II football season.
Led by Mike Dolby in his fifth and final season as head coach, the Lumberjacks compiled an overall record of 2–8–1 with a mark of 1–4 in conference play, placing in a three-way tie for fourth in the NCAC.
Humboldt State played home games at the Redwood Bowl in Arcata, California.
In five years under Dolby, the Lumberjacks had a record of 18–33–2 (.358) and one winning season, in 1989.
[4][5] The following Humboldt State players were selected in the 1991 NFL draft.