American Association may refer to one of the following professional baseball leagues:
American Association (19th century), a major league active from 1882 to 1891American Association (20th century), a minor league active from 1902 to 1962 and 1969 to 1997American Association of Professional Baseball, an independent league founded in 2006
American Association may also refer to:
American Association (American football), a minor professional American football league that existed from 1936 to 1950 reference
