American Football League, 1926, 1936–1937, and 1940–1941 (all unrelated, three separate leagues) All-America Football Conference, 1946–1949 1; American Football League, 1960–1969 2; World Football League, 1974–1975; United States …

American football, a sport popularly called football in the US, is a type of gridiron football.. American football may also refer to: . Sports. Football in America (disambiguation) Ball (American football) Soccer in the United States, U.S. involvement in the sport known as football in much of the world; Arts and entertainment. American Football (band), an American indie rock …