IAA

IAA is a three letter acronym that may stand for:

Idyllwild Arts Academy, part of the Idyllwild Arts Foundation
Immigration Appellate Authority (UK)
IMSA Alumni Association
Indian Association of Alberta
Indianapolis Airport Authority
Indole-3-acetic acid (plant hormone)
Institute for Applied Autonomy
Institute of Actuaries of Australia
Instituto de Arqueología Amazónica
Instituto de Astrofísica de Andalucía
Insulin autoantibody, used in diagnosing Latent autoimmune diabetes
Insurance Application Architecture, an Operating model for business
Intelligence Authorization Act (1991 - U.S.)
Interactive Achievement Awards
Interlochen Arts Academy, part of the Interlochen Center for the Arts
International Academy of Architecture
International Academy of Astronautics
International Actuarial Association
International Advertising Association, accredits courses such as at Zayed University
International Affairs Association of the University of Pennsylvania
International Alpaca Association
International Ammunition Association
International Aquathlon Association
International Association for Aerobiology
International Association of Astacology, for the study of Crayfish
Internationale Automobil-Ausstellung, Frankfurt Motor Show
Interrupted aortic arch
Investment Adviser Association
Iran Aseman Airlines, call-sign IAA
Irish Aviation Authority
Islamic Army of Aden
Israel Airports Authority
Israel Antiquities Authority
Israeli Astronomical Association

Translation

The word "IAA" occurs as such in the following languages: English, German, Spanish, French, Italian, Polish, Vietnamese.