The 1993 Idaho Vandals football team represented the University of Idaho in the 1993 NCAA Division I-AA football season. The Vandals, led by fifth-year head coach John L. Smith, were members of the Big Sky Conference and played their home games at the Kibbie Dome, an indoor facility on campus in Moscow, Idaho. Led by senior All-American quarterback Doug Nussmeier, Idaho finished the regular season at 9–2 and 5–2 in the Big Sky. The Vandals made the Division I-AA playoffs and advanced to the semifinals. For three weeks in October, Idaho was at the top of the poll in Division I-AA.