The 1990–91 St. Francis Terriers men's basketball team represented St. Francis College during the 1990–91 NCAA Division I men's basketball season. The team was coached by Rich Zvosec, who was in his third year at the helm of the St. Francis Terriers. The Terrier's home games were played at the Generoso Pope Athletic Complex. The team has been a member of the Northeast Conference since 1981. Over 29 games, Lester James made 149 field-goals on 215 field-goal attempts, producing a 69.3 field-goal percentage that is 16th all-time in NCAA history.