AIB

AIB or aib may refer to:

Banking

 * Afghanistan International Bank
 * Allied Irish Banks
 * AIB Group (UK)
 * Allied Irish Bank (GB)
 * AIB (NI)

Broadcasting

 * Association for International Broadcasting
 * Atlanta Interfaith Broadcasters

Education

 * ACLEDA Institute of Business
 * Aeronautical Institute of Bangladesh
 * AIB College of Business
 * Australian Institute of Business
 * The Art Institute of Boston
 * The Arts Institute at Bournemouth, former name of The Arts University Bournemouth

Military

 * Allied Intelligence Bureau
 * Admiralty Interview Board

Professional

 * Academy of International Business
 * American Institute of Baking
 * Australian Institute of Building

Other

 * Accident Investigation Board (disambiguation), several organisations
 * Accident Investigation Bureau, several organisations
 * Accidents Investigation Branch, predecessor of the UK's Air Accidents Investigation Branch
 * Accountant in Bankruptcy, Scotland
 * American Institute of Bisexuality
 * Anti-inflation Board, Canada
 * Association of Issuing Bodies
 * Ação Integralista Brasileira, a Brazilian fascist party during the 1930s

Science and technology

 * Authenticated Identity Body
 * Add-in board, a printed circuit board that acts as an accessory for another device
 * Common term for 3rd-party graphics card vendors, as well as informally used to refer to graphics cards from such vendors
 * 2-Aminoisobutyric acid
 * 3-Aminoisobutyric acid

Other uses

 * All India Bakchod, a 2012–2019 Mumbai-based comedy company
 * Arts and Industries Building, a Smithsonian museum in Washington, D.C., U.S.
 * Äynu language (ISO language code)