The 1955 Humboldt State Lumberjacks football team represented Humboldt State College—now known as California State Polytechnic University, Humboldt—as a member of the Far Western Conference (FWC) during the 1955 college football season.
Led by fifth-year head coach Phil Sarboe, the Lumberjacks compiled an overall record of 7–3–1 with a mark of 2–2–1 in conference play, placing fourth in the FWC, and outscored their opponents 254 to 171 for the season.
The team played home games at the Redwood Bowl in Arcata, California.
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