ABA may refer to:

Aviation

* AB Aerotransport, former Scandinavian airline * IATA airport code for Abakan International Airport in Republic of Khakassia, Russia

Businesses and organizations

Broadcasting

* Alabama Broadcasters Association, United States * Asahi Broadcasting Aomori, Japanese television station * Australian Broadcasting Authority

Education

* Académie des Beaux-Arts (Kinshasa), Democratic Republic of the Congo * American British Academy, Oman

Sports

Basketball

* ABA League, Adriatic first-tier basketball league ** ABA League Second Division, Adriatic second-tier basketball league *

American Basketball Association The American Basketball Association (ABA) was a major professional basketball league that operated for nine seasons from 1967 to 1976. The upstart ABA operated in direct competition with the more established National Basketball Association thr ...

, defunct professional league (1967–1976) * American Basketball Association (2000–present), semi-professional league * Australian Basketball Association, defunct semi-professional entity

Other sports

* Amateur Boxing Association of England, former name of England Boxing * American Bandy Association * American Bicycle Association * American Bridge Association

Trade and professional bodies

* American Bankers Association * American Bandmasters Association * American Bar Association, an association of lawyers * American Beverage Association, beverage industry lobby organization * American Booksellers Association * American Bus Association * Antiquarian Booksellers Association, a trade body in the British Isles * Association of Black Anthropologists * Australian Banking Association * Australian Booksellers Association * American Bantam Association

Other businesses and organizations

* ABA Chemicals, a Chinese chemical manufacturing company * ABA Games, a Japanese creator of freeware games * Alabama Baptist Association, United States * American Baptist Association, a Baptist denomination predominant in the American South * American Bell Association International * American Birding Association * Australian Blue Asbestos, mining, bagging and blue asbestos distribution company * Australian Breastfeeding Association

Finance

* ABA routing transit number, a bank code used in the United States * Accredited Business Accountant, American accountancy credential

Music

* '' Altbachisches Archiv'', collection of 17th-century music, most written by the Bach family * A-B-A, the ternary form in music

Transport

* ABA, the National Rail code for Aberdare railway station, Wales, UK

Other uses

* ABA problem, a multithreading computing anomaly * A.B.A, a character in the fighting game series ''Guilty Gear'' * Abé language of Ivory Coast * Abscisic acid, a plant hormone * Applied behavior analysis, a controversial programme most commonly employed to modify the behaviour of children with autism * Architectural Barriers Act of 1968, act of the US Congress