The 1991 Santa Clara Broncos football team represented Santa Clara University as a member of the Western Football Conference (WFC) during the 1991 NCAA Division II football season. The Broncos were led by seventh-year head coach Terry Malley. They played home games at Buck Shaw Stadium in Santa Clara, California. Santa Clara finished the season with a record of five wins and six losses (5–6, 0–5 WFC). The Broncos outscored their opponents 309–281 for the season.