The 1975 NAIA Division I football season, as part of the 1975 college football season in the United States and the 20th season of college football sponsored by the NAIA, was the sixth season of play of the top division of the NAIA's two-division structure for football. The season was played from August to November 1975 and culminated in the 1975 NAIA Division I Champion Bowl, played on December 13, 1975 on the campus of Texas A&I University in Kingsville, Texas. Texas A&I defeated Salem in the Champion Bowl, 37–0, to win their fourth, and second consecutive, NAIA national title.