The 1983 Northwestern Red Raiders football team was an American football team that represented Northwestern College of Orange City, Iowa, as an independent during the 1983 NAIA Division II football season.
In their 17th year under head coach Larry Korver, the Red Raiders compiled a perfect 14–0 and won the NAIA Division II Football National Championship with a 25–21 victory over Pacific Lutheran in the championship game.
The team was led on offense by quarterback Lee McKinstrey.