Quebec Senior Football League operated in the 1950's and 1960's 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.
Major: National Football League Semi-pro: Empire Football League • Mid Continental Football League • Minor League Football Association • North American Football League • Southern States Football League • United States Football Alliance Defunct major: All-America Football Conference • American Football League • NFL Europa • United States Football League • World Football League • XFL Defunct minor/semi-pro:Atlantic Coast Football League • Continental Football League • Hawaii Football League • Regional Football League • Spring Football League • United Football League Folded or merged before any games were played: Professional Spring Football League Planned: All American Football League (Spring 2008) • United Football League (Fall 2008) Major: Canadian Football League Minor/Semi-pro: Alberta Football League • Maritime Football League • Canadian Junior Football League • Quebec Junior Football League • Quebec Bantam Football League Defunct: Quebec Juvenile Football League • Quebec Senior Football League Major: Arena Football League Minor: af2 • American Indoor Football Association • American Professional Football League • Continental Indoor Football League • Intense Football League • United Indoor Football Defunct: Eastern Indoor Football League • Indoor Football League • Indoor Professional Football League • National Indoor Football League • Professional Indoor Football League • World Indoor Football League Folded or merged before any games were played: North American Indoor Football League • World Indoor Football League • Xtreme Football League • North American Indoor Football League