1988 Western Illinois Leathernecks football team

The 1988 Western Illinois Leathernecks football team represented Western Illinois University as a member of the Gateway Collegiate Athletic Conference during the 1988 NCAA Division I-AA football season. They were led by sixth-year head coach Bruce Craddock and played their home games at Hanson Field. The Leathernecks finished the season with a 10–2 record overall and a 6–0 record in conference play, making them conference champions. The team received an automatic bid to the NCAA Division I-AA Football Championship playoffs, where they lost to Western Kentucky in the first round.