1981 NAIA Division II football season

1981 NAIA Division II football season
Regular seasonAugust–November 1981
PostseasonNovember–December 1981
National ChampionshipLouis Calder Stadium
Sherman, TX
ChampionsAustin
Concordia–Moorhead (3)

The 1981 NAIA Division II football season, as part of the 1981 college football season in the United States and the 26th season of college football sponsored by the NAIA, was the 21st season of play of the NAIA's lower division for football.

The season was played from August to November 1981 and culminated in the 1981 NAIA Division II Football National Championship, played at Louis Calder Stadium in Sherman, Texas.

Austin and Concordia–Moorhead tied in the championship game, 24–24, and were declared co-national champions. It was Austin's first NAIA national title and Concordia's third.