The 1971 Boise State Broncos football team represented Boise State College during the 1971 NCAA College Division football season, the fourth season of Bronco football (at the four-year level) and the second as members of the Big Sky Conference and NCAA. In the College Division (now Division II), they played their home games on campus at Bronco Stadium in Boise, Idaho. Led by fourth-year head coach Tony Knap, the Broncos were 9–2 in the regular season and 4–2 in conference. Knap was named coach of the year in the West for the College Division.