The 1972 NAIA Division I football season was the 17th season of college football sponsored by the NAIA and the third season of the league's two-division structure. The season was played from August to November 1972 and culminated in the 1972 NAIA Champion Bowl, played on December 9, 1972 in Commerce, Texas. East Texas State (now Texas A&M–Commerce) defeated Carson–Newman in the Division I Championship Bowl, 21–18, to win their first NAIA national title.