Current leagues
- National Football League (1920-)
- Arena Football League (1987-)
- National Indoor Football League (2001-)
- AF2 (2000-)
- NFL Europe (1991-)
- Irish American Football League
- British Senior League
- Independent Women's Football League (IWFL)
- National Women's Football Association (NWFA)
- Womens Football League (WFL)
- Women's Professional Football League (WPFL)
Historic leagues
- All-America Football Conference (1946-49)
- American Football League (1926), (1936-37), (1940-41) and (1960-69)
- Continental Football League (1965-69)
- World Football League(1974-75)
- United States Football League (1983-85)
- XFL (2001)
- American Football Women's League (AFWL) folded in 2003
- Women's Football Association (WFA) folded in 2003
- Women's American Football League folded in 2002