1973 NAIA Division I football season

1973 NAIA Division I football season
Regular seasonAugust–November 1973
PostseasonDecember 1–8, 1973
National ChampionshipIndependence Stadium
Shreveport, LA
ChampionsAbilene Christian

The 1973 NAIA Division I football season was the 18th season of college football sponsored by the NAIA and the fourth season of the league's two-division structure.

The season was played from August to November 1973 and culminated in the 1973 NAIA Champion Bowl, played on December 8, 1973 at Independence Stadium in Shreveport, Louisiana.

Abilene Christian defeated Elon in the Champion Bowl, 42–14, to win their first NAIA national title.