View source for IAA

'''IAA''' may refer to:
==Science and medicine==
===Terminology===
* [[Imidazole-4-acetic acid]], a neurotransmitter metabolite
* [[Indole-3-acetic acid]], a plant hormone
* Aux/IAA repressors, a class of early [[Auxin#Aux/IAA, ARF, TIR1, SCF auxin regulatory pathways|auxin]] responsive transcription factors in plants
* [[Inflammatory aortic aneurysm]], a medical condition
* [[Insulin autoantibody]], used in diagnosing Latent autoimmune diabetes
* [[Interrupted aortic arch]], a medical condition
* [[Iodoacetamide]], an alkylating agent
* [[Isoamyl alcohol]], a common name for 3-Methylbutan-1-ol

===Institutions & associations===
* [[Academia Sinica Institute of Astronomy and Astrophysics]], a research institute in Taiwan
* [[Instituto Antártico Argentino]], Argentine Antarctic Institute: federal agency for Antarctic research
* [[Instituto de Arqueología Amazónica]], archeological research institute in Peru
* [[Instituto de Astrofísica de Andalucía]] (IAA-CSIC), research institute in Spain
* [[International Academy of Architecture]], Bulgarian NGO & NPO
* [[International Academy of Astronautics]], Swedish NGO
* [[International Actuarial Association]], worldwide association of actuarial associations
* [[International Astrostatistics Association]]
* [[Israel Antiquities Authority]], Israeli governmental authority
* [[Israeli Astronomical Association]]

==Aviation==
* [[Igarka Airport]] IATA code
* [[Indianapolis Airport Authority]]
* [[Iran Aseman Airlines]], an Iranian airline
* [[Irish Aviation Authority]]
* [[Israel Airports Authority]]
* [[International Academy of Astronautics]]

== Automobile ==
* [[International Motor Show Germany]], known natively as Internationale Automobil-Ausstellung

==Computing==
* Interactive Achievement Awards, now known as [[D.I.C.E. Awards]]

==Education==
* [[Idyllwild Arts Academy]], a private high school in Idyllwild, California
* Intercollegiate Athletic Association, former name of the [[National Collegiate Athletic Association]]
* [[Interlochen Center for the Arts#Interlochen Arts Academy|Interlochen Arts Academy]], a boarding school at the Interlochen Center for the Arts
* [[Inter-American Academy of Guayaquil]], an international school in Ecuador

==Politics==
* [[Information Affairs Authority]] of Bahrain

==Sports==
* [[International Ammunition Association]]

==Associations (non-science-related)==
* [[Illinois Agricultural Association]]
* [[Immigration Appellate Authority]] (UK)
* [[Independent Ambulance Association]] representing private ambulance services in the UK
* [[Indian Association of Alberta]]
* [[Institute for Applied Autonomy]]
* [[International Advertising Association]], international marketing industry association
* [[International Association of Art]]
* [[Investment Adviser Association]]

==Other uses==
* [[Id al Adha]], Muslim holiday
* [[Intelligence Authorization Act]] (1991 - U.S.)
* [[Islamic Army of Aden]], militant group designated as a terrorist organization by Bahrain, Canada and the UK
* International Affairs Agency, parody of the Central Intelligence Agency in ''[[Grand Theft Auto V#Plot|Grand Theft Auto V]]''

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