Standings includes forfeits (Buffalo forfeited to New York due to the field being unplayable, November 17, 1940; Cincinnati forfeited to Buffalo due to injuries preventing the Bengals from fielding a complete team, November 24, 1940)
The 1940 Boston Bears, coached by Eddie Casey, missed the playoffs after finishing the AFL3 regular season in 3rd place with a 5-4-1 record.