Quebec Senior Football League

Quebec Senior Football League operated in the 1950s and 1960s and ceased operations after the 1966 season. It was a league for players that were both junior and a bit older than juniors, and included the Verdun Shamcats and the Chateauguay Ramblers. It was followed by the strictly junior Quebec Juvenile Football League.

Professional gridiron football leagues in North America

American football

Major national	National Football League

Regional	Professional Developmental Football League Fall Experimental Football League

Proposed Future	New United States Football League North American Football League

Defunct international	Continental Football League World League of American Football/NFL Europe/NFL Europa*

Defunct national	All-America Football Conference American Football League (1926) American Football League (1936–1937) American Football League (1940–1941) American Football League (1960–1969)** United Football League (2009–12) United States Football League World Football League XFL

Defunct regional	American Association (1936–1941)/American Football League (1946–1950)* American Football Association (1978–83) American Football League (1934) American Football League (1938–1939) American Football League (1944) Anthracite League Atlantic Coast Football League* Dixie League* Eastern League of Professional Football Midwest Football League National Football League (1902) New York Pro Football League Ohio League Pacific Coast Professional Football League* Regional Football League Seaboard Football League Spring Football League Stars Football League United Football League (1961–64) Western Pennsylvania Professional Football Circuit World Football League (2008–10)

Aborted prior to launch	A-11 Football League All American Football League (2008) Professional Spring Football League United National Gridiron League

Official NFL minor league; see also Association of Professional Football Leagues *Now part of the American Football Conference, one of the components of the NFL. All teams still active.

Canadian football

National	Canadian Football League

Evolved from amateur to professional leagues	Interprovincial Rugby Football Union Western Interprovincial Football Union

Arena/Indoor football

National	Arena Football League

Regional	American Indoor Football Champions Indoor Football Indoor Football League Professional Indoor Football League X-League Indoor Football

Semi-pro	American Professional Football League Independent Indoor Football Alliance

Defunct	arenafootball2 Champions Professional Indoor Football League Continental Indoor Football League Indoor Football League (1999–2000) Indoor Professional Football League Intense Football League Lone Star Football League National Indoor Football League Professional Indoor Football League (original) Southern Indoor Football League Ultimate Indoor Football League United Indoor Football World Indoor Football League (2007)

Folded or merged before any games were played	Global Indoor Football League World Indoor Football League (1988)