The 1984 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 1984 NCAA Division II football season.
Led by 19th-year head coach Bud Van Deren, the Lumberjacks compiled an overall record of 0–10 with a mark of 0–6 in conference play, placing last out of seven teams in the NCAC.
[1] The team was outscored by its opponents 312 to 84 for the season.
Humboldt State played home games at the Redwood Bowl in Arcata, California.
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