Template:Professional Gridiron football leagues

Major: Arena Football League • Canadian Football League • National Football League
Minor: af2 • All American Football League • American Indoor Football Association • American Professional Football League • Continental Indoor Football League • Intense Football League • National Indoor Football League •Southern States Football League • United Indoor Football • United States Football Alliance • World Indoor Football League
Non-North American: Asia Pacific Football League • NFL Europa • Southside Football League • X-League
Defunct: All-America Football Conference • American Football League • Eastern Indoor Football League • Hawaii Football League • Indoor Football League • Indoor Professional Football League • Professional Indoor Football League • United States Football League • World Football League • XFL