The 1973 NCAA Division III football season, part of college football in the United States organized by the National Collegiate Athletic Association at the Division III level, began in August 1973, and concluded with the NCAA Division III Football Championship in December 1973 at Garrett–Harrison Stadium in Phenix City, Alabama. This was the first season for Division III (and Division II) football, which were formerly in the College Division in 1972 and prior. Wittenberg won their first Division III championship, defeating Juniata in the championship game by a score of 41−0.