1975 Idaho State Bengals football team

The 1975 Idaho State Bengals football team represented Idaho State University as a member of the Big Sky Conference during the 1975 NCAA Division II football season. Led by Bob Griffin in the fourth and final season as head coach, the Bengals compiled an overall record of 7–3 with a mark of 4–2 in conference play, tying for second place in the Big Sky. Home games were played on campus at the ASISU Minidome (now Holt Arena), an indoor facility in Pocatello, Idaho.

In February 1976, Griffin returned to his native New England at the University of Rhode Island, and was the Rams' head coach for the next 17 seasons. Bengals' defensive coordinator Joe Pascale was promoted to head coach.