The 1984 San Francisco State Gators football team represented San Francisco State University as a member of the Northern California Athletic Conference (NCAC) during the 1983 NCAA Division II football season.
Led by 24th-year head coach Vic Rowen, San Francisco State finished the season with an overall record of 4–5–1 and a mark of 2–3–1 in conference play, tying for fourth place in the NCAC.
The Gators played home games at Cox Stadium in San Francisco.
On January 1, 1985, the NCAC announced it had ruled that San Francisco State had used two ineligible players and must forfeit three victories, two non-conference wins over Cal State Northridge and Azusa Pacific and one conference win over Sonoma State.
[1] With the three forfeits, the Gators' 1984 record fell to 1–8–1 overall and 1–4–1 in conference play, dropping them to sixth place in the NCAC.