A list of college football seasons from the first season in 1869 until the NCAA's single division split into Division I, Division II, and Division III in 1973 and then Division I split again into Division I-A and Division I-AA in 1978. Founded as the Intercollegiate Athletic Association of the United States in 1906, the NCAA adopted its current name in 1910. Also included are teams from the National Association of Intercollegiate Athletics, which has held its own football championship since 1956.

Pre-regulation (1869–1905)

NCAA (1906–present) Single division (1906–1961) Year Conference champions National champion Heisman Trophy 1906 Big Nine Conference – Wisconsin, Minnesota, and Michigan Michigan Intercollegiate Athletic Association – Olivet Rocky Mountain Conference – Colorado Mines Southern Intercollegiate Athletic Association – Vanderbilt PrincetonYale — 1907 Big Nine Conference – Chicago Michigan Intercollegiate Athletic Association – Olivet Missouri Valley Intercollegiate Athletic Association – Iowa and Nebraska Rocky Mountain Conference – Colorado Mines Southern Intercollegiate Athletic Association – Vanderbilt PennYale — 1908 Big Nine Conference – Chicago Michigan Intercollegiate Athletic Association – Albion Missouri Valley Intercollegiate Athletic Association – Kansas Rocky Mountain Conference – Denver Southern Intercollegiate Athletic Association – LSU, Auburn Penn — 1909 Big Nine Conference – Minnesota Michigan Intercollegiate Athletic Association – Olivet Missouri Valley Intercollegiate Athletic Association – Missouri Rocky Mountain Conference – Denver Southern Intercollegiate Athletic Association – Sewanee Yale — 1910 Big Nine Conference – Illinois and Minnesota Michigan Intercollegiate Athletic Association – Missouri Valley Intercollegiate Athletic Association – Nebraska Rocky Mountain Conference – Colorado Southern Intercollegiate Athletic Association – Auburn and Vanderbilt Harvard — 1911 Big Nine Conference – Minnesota Michigan Intercollegiate Athletic Association – Missouri Valley Intercollegiate Athletic Association – Rocky Mountain Conference – Southern Intercollegiate Athletic Association – Vanderbilt Princeton — 1912 Big Nine Conference – Wisconsin Central Intercollegiate Athletic Association – Michigan Intercollegiate Athletic Association – Missouri Valley Intercollegiate Athletic Association – Rocky Mountain Conference – Southern Intercollegiate Athletic Association – Vanderbilt Harvard — 1913 Big Nine Conference – Central Intercollegiate Athletic Association – Michigan Intercollegiate Athletic Association – Missouri Valley Intercollegiate Athletic Association – Rocky Mountain Conference – Southern Intercollegiate Athletic Association – Auburn Wisconsin Intercollegiate Athletic Conference – Auburn Chicago Harvard — 1914 Big Nine Conference – Illinois Central Intercollegiate Athletic Association – Michigan Intercollegiate Athletic Association – Missouri Valley Intercollegiate Athletic Association – Rocky Mountain Conference – Southern Intercollegiate Athletic Association – Auburn and Tennessee Southwest Conference – Wisconsin Intercollegiate Athletic Conference – Army Illinois Texas — 1915 Big Nine Conference – Minnesota and Illinois Central Intercollegiate Athletic Association – Michigan Intercollegiate Athletic Association – Missouri Valley Intercollegiate Athletic Association – Rocky Mountain Conference – Southern Intercollegiate Athletic Association – Vanderbilt Southwest Conference – Wisconsin Intercollegiate Athletic Conference – Cornell Pittsburgh — 1916 Big Nine Conference – Ohio State Central Intercollegiate Athletic Association – Michigan Intercollegiate Athletic Association – Missouri Valley Intercollegiate Athletic Association – Pacific Coast Conference – Rocky Mountain Conference – Southern Intercollegiate Athletic Association – Georgia Tech and Tennessee Southwest Conference – Wisconsin Intercollegiate Athletic Conference – Army Pittsburgh — 1917 Big Ten Conference – Ohio State Central Intercollegiate Athletic Association – Michigan Intercollegiate Athletic Association – Missouri Valley Intercollegiate Athletic Association – Pacific Coast Conference – Rocky Mountain Conference – Southern Intercollegiate Athletic Association – Georgia Tech Southwest Conference – Wisconsin Intercollegiate Athletic Conference – Georgia Tech — 1918 Big Ten Conference – Illinois, Michigan, and Purdue Central Intercollegiate Athletic Association – Michigan Intercollegiate Athletic Association – Missouri Valley Intercollegiate Athletic Association – Pacific Coast Conference – Rocky Mountain Conference – Southern Intercollegiate Athletic Association – Georgia Tech Southwest Conference – Wisconsin Intercollegiate Athletic Conference – Michigan Pittsburgh — 1919 Big Ten Conference – Illinois Central Intercollegiate Athletic Association – Michigan Intercollegiate Athletic Association – Missouri Valley Intercollegiate Athletic Association – Pacific Coast Conference – Rocky Mountain Conference – Southern Intercollegiate Athletic Association – Auburn and Centre Southwest Conference – Wisconsin Intercollegiate Athletic Conference – Harvard Illinois Texas A&M — 1920 Big Ten Conference – Ohio State Central Intercollegiate Athletic Association – Michigan Intercollegiate Athletic Association – Missouri Valley Intercollegiate Athletic Association – Minnesota Intercollegiate Athletic Conference – Pacific Coast Conference – Rocky Mountain Conference – Southern Intercollegiate Athletic Association – Georgia, Georgia Tech, Tulane Southwest Conference – Wisconsin Intercollegiate Athletic Conference – California Princeton — 1921 Big Ten Conference – Iowa Central Intercollegiate Athletic Association – Michigan Intercollegiate Athletic Association – Missouri Valley Intercollegiate Athletic Association – Minnesota Intercollegiate Athletic Conference – Pacific Coast Conference – Rocky Mountain Conference – Southern California Intercollegiate Athletic Conference – Southern Intercollegiate Athletic Association – Centre, Georgia, Georgia Tech, Vanderbilt Southwest Conference – Southwestern Athletic Conference – Wisconsin Intercollegiate Athletic Conference – California Cornell Iowa Lafayette Washington & Jefferson — 1922 Big Ten Conference – Iowa and Michigan Central Intercollegiate Athletic Association – Michigan Intercollegiate Athletic Association – Midwest Collegiate Athletic Conference – Missouri Valley Intercollegiate Athletic Association – Minnesota Intercollegiate Athletic Conference – North Central Conference – Pacific Coast Conference – Rocky Mountain Conference – Southern California Intercollegiate Athletic Conference – Southern Conference – Vanderbilt, Georgia Tech, North Carolina Southern Intercollegiate Athletic Conference – Southwest Conference – Southwestern Athletic Conference – Wisconsin Intercollegiate Athletic Conference – California Cornell Princeton — 1923 Big Ten Conference – Illinois and Michigan Central Intercollegiate Athletic Association – Iowa Intercollegiate Athletic Conference – Michigan Intercollegiate Athletic Association – Midwest Collegiate Athletic Conference – Missouri Valley Intercollegiate Athletic Association – Minnesota Intercollegiate Athletic Conference – North Central Conference – Pacific Coast Conference – Rocky Mountain Conference – Southern California Intercollegiate Athletic Conference – Southern Conference – Vanderbilt and Washington and Lee Southern Intercollegiate Athletic Conference – Southwest Conference – Southwestern Athletic Conference – Wisconsin Intercollegiate Athletic Conference – Illinois Michigan — 1924 Big Ten Conference – Central Intercollegiate Athletic Association – Iowa Intercollegiate Athletic Conference – Michigan Intercollegiate Athletic Association – Midwest Collegiate Athletic Conference – Missouri Intercollegiate Athletic Association – Missouri Valley Intercollegiate Athletic Association – Minnesota Intercollegiate Athletic Conference – North Central Conference – Pacific Coast Conference – Rocky Mountain Conference – Southern California Intercollegiate Athletic Conference – Southern Conference – Alabama Southern Intercollegiate Athletic Conference – Southwest Conference – Southwestern Athletic Conference – Wisconsin Intercollegiate Athletic Conference – Notre Dame Penn — 1925 Big Ten Conference – Michigan Central Intercollegiate Athletic Association – Far Western Football Conference – Iowa Intercollegiate Athletic Conference – Michigan Intercollegiate Athletic Association – Midwest Collegiate Athletic Conference – Missouri Intercollegiate Athletic Association – Missouri Valley Intercollegiate Athletic Association – Minnesota Intercollegiate Athletic Conference – North Central Conference – Pacific Coast Conference – Rocky Mountain Conference – Southern California Intercollegiate Athletic Conference – Southern Conference – Southern Intercollegiate Athletic Conference – Alabama and Tulane Southwest Conference – Southwestern Athletic Conference – Wisconsin Intercollegiate Athletic Conference – Alabama Dartmouth — 1926 Big Ten Conference – Michigan and Northwestern Central Intercollegiate Athletic Association – Far Western Football Conference – Iowa Intercollegiate Athletic Conference – Michigan Intercollegiate Athletic Association – Midwest Collegiate Athletic Conference – Missouri Intercollegiate Athletic Association – Missouri Valley Intercollegiate Athletic Association – Minnesota Intercollegiate Athletic Conference – North Central Conference – Northwest Conference – Pacific Coast Conference – Rocky Mountain Conference – Southern California Intercollegiate Athletic Conference – Southern Conference – Alabama Southern Intercollegiate Athletic Conference – Southwest Conference – Southwestern Athletic Conference – Wisconsin Intercollegiate Athletic Conference – Alabama Stanford Lafayette — 1927 Big Ten Conference – Illinois Central Intercollegiate Athletic Association – Far Western Football Conference – Iowa Intercollegiate Athletic Conference – Michigan Intercollegiate Athletic Association – Midwest Collegiate Athletic Conference – Missouri Intercollegiate Athletic Association – Missouri Valley Intercollegiate Athletic Association – Minnesota Intercollegiate Athletic Conference – North Central Conference – Northwest Conference – Pacific Coast Conference – Rocky Mountain Conference – Southern California Intercollegiate Athletic Conference – Southern Conference – Georgia Tech, NC State, and Tennessee Southern Intercollegiate Athletic Conference – Southwest Conference – Southwestern Athletic Conference – Wisconsin Intercollegiate Athletic Conference – Illinois Georgia Texas A&M Yale — 1928 Big Ten Conference – Illinois Big Six Conference – Central Intercollegiate Athletic Association – Far Western Football Conference – Iowa Intercollegiate Athletic Conference – Michigan Intercollegiate Athletic Association – Midwest Collegiate Athletic Conference – Missouri Intercollegiate Athletic Association – Missouri Valley Conference – Minnesota Intercollegiate Athletic Conference – North Central Conference – Northwest Conference – Pacific Coast Conference – Rocky Mountain Conference – Southern California Intercollegiate Athletic Conference – Southern Conference – Georgia Tech Southern Intercollegiate Athletic Conference – Southwest Conference – Southwestern Athletic Conference – Wisconsin Intercollegiate Athletic Conference – Georgia Tech USC — 1929 Big Ten Conference – Purdue Big Six Conference – Central Intercollegiate Athletic Association – Far Western Football Conference – Iowa Intercollegiate Athletic Conference – Michigan Intercollegiate Athletic Association – Midwest Collegiate Athletic Conference – Missouri Intercollegiate Athletic Association – Missouri Valley Conference – Minnesota Intercollegiate Athletic Conference – North Central Conference –