Other football leagues in 1940:    
NFL

1940 AFL3 Season

6 teams competed during the regular season
Columbus Bullies finished in 1st place to claim the championship

League Note
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)

Commissioner
William D. Griffith