The 1966 NAIA football season was the eleventh season of college football sponsored by the NAIA.
The 1967 NAIA football season was the 12th season of college football sponsored by the NAIA.
The 1969 NAIA football season was the 14th season of college football sponsored by the NAIA.
The 1974 NAIA Division I football season was the 19th season of college football sponsored by the NAIA and the fifth season of the league's two-division structure.
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 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 1975 NAIA Division I football season was 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 1976 NAIA Division I football season was the 21st season of college football sponsored by the NAIA, was the seventh season of play of the NAIA's top division for football.
The 1977 NAIA Division I football season was the 22nd season of college football sponsored by the NAIA, was the eighth season of play of the NAIA's top division for football.
The 1978 NAIA Division I football season was the 23rd season of college football sponsored by the NAIA, was the ninth season of play of the NAIA's top division for football.
The 1981 NAIA Division I football season was the 26th season of college football sponsored by the NAIA, was the 12th season of play of the NAIA's top division for football.
The 1983 NAIA Division I football season was the 28th season of college football sponsored by the NAIA, was the 14th season of play of the NAIA's top division for football.
The 1985 NAIA Division I football season was the 30th season of college football sponsored by the NAIA, was the 16th season of play of the NAIA's top division for football.
The 1987 NAIA Division I football season was the 32nd season of college football sponsored by the NAIA, was the 18th season of play of the NAIA's top division for football.
The 1990 NAIA Division I football season was the 35th season of college football sponsored by the NAIA, was the 21st season of play of the NAIA's top division for football.
The 1991 NAIA Division I football season was the 36th season of college football sponsored by the NAIA, was the 22nd season of play of the NAIA's top division for football.
The 1993 NAIA Division I football season was the 38th season of college football sponsored by the NAIA, was the 24th season of play of the NAIA's top division for football.
The 1995 NAIA Division I football season was the 40th season of college football sponsored by the NAIA, was the 26th season of play of the NAIA's top division for football.
The 1980 NAIA Division II football season, as part of the 1980 college football season in the United States and the 25th season of college football sponsored by the NAIA, was the 11th season of play of the NAIA's lower division for football.
The 1985 NAIA Division II football season, as part of the 1985 college football season in the United States and the 30th season of college football sponsored by the NAIA, was the 16th season of play of the NAIA's lower division for football.