Antigua and Barbuda

Anti-aircraft battery, a weapons system component for anti-aircraft warfare

Ancient Art of Boar, Andrew W.K.'s first solo project, started when he was 15 years old.

Aalborg Boldspilklub, a Danish sports club

ABN AMRO, the largest bank in the Netherlands

The Atlas of Australian Birds, two books and a database of the Royal Australasian Ornithologists Union

AAB is a three-letter acronym that may refer to:

ICAO airline designator for Abelag Aviation in Belgium

Akita Asahi Broadcasting, a television station in Akita Prefecture, Japan

Air Assault Badge, a United States Army military badge

Alice Bailey, new age writer often referred to by her initials as AAB