{{Wiktionary|IA|Ia|ia}} '''IA''', '''Ia''', or '''ia''' may refer to:
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==Arts and entertainment== * ''Ia'', an 1892 novelette by Arthur Quiller-Couch * "Iä", a fictional word in the works of H. P. Lovecraft * International Alliance of Theatrical Stage Employees (IATSE), which also goes by IA * International Artists, a record label
==Businesses and organizations== * Indian Airlines, defunct airline, 1953-2011 * Indiana Academy, high school in Cicero, Indiana * International Academy, high school in Bloomfield Hills, Michigan * Internet Archive, online digital library and host organization of the Wayback Machine * Iraqi Airways, known by the IATA airline designator IA * Impact assessment of public policy * Insurance Authority, a statutory body in Hong Kong * Aircraft model prefix of ''Fabrica Argentina de Aviones'', e.g. FMA IA 62
==Government, law, and military== *Indian Army *Indonesian Army *Individual augmentee, U.S. military person temporarily assigned to a unit *Indecent assault, sexual criminal offense
==Language== * Ia (cuneiform), a sign in cuneiform writing * Inter alia (i.a.), Latin meaning "among other things" * Interlingua (ISO 639-1 code: ''ia'') * Romanization of Cyrillic ''Я'' letter * Inshallah (iA), used by English-speaking Muslims.
==People== * Ia or Violet of Persia, fourth-century martyr, feast days August 4 and September 11 * Saint Ia of Cornwall * Mattias Eklundh, Swedish guitarist
==Places== * Iowa (IA), U.S. state, postal abbreviation * Indiana (Ia), U.S. state, older traditional abbreviation * Ia or Oia, Greece, on Santorini * Iá River, a river in Brazil
==Science and technology==
===Archaeology=== * Institute of Archaeology, Chinese Academy of Social Sciences (IA) * ''IA, The Journal of the Society for Industrial Archeology'' * ''Internet Archaeology'', an electronic journal * Industrial archaeology * Iron Age, an archaeological period
===Biology and medicine=== * IA (chemotherapy), with Idarubicin and cytarabine * ''Ia'' (genus), of vespertilionid bats * Phase Ia of a clinical trial * Immunoassay, biochemical test to measure concentrations through antibody or antigen
===Computing and electronics=== * IA (software), a vocaloid (singing synthesizer) * IA-32, Intel Architecture, 32-bit * IA-64, Intel Architecture, 64-bit * Implicit authentication, by a smart device * Human intelligence amplification through technology * Intelligent agent, in artificial intelligence * Artificial intelligence, abbreviated IA in several other languages * Information architecture, the structural design of shared information * Information assurance, dealing with trust aspects of information
===Other uses in science and technology=== * Group IA (or Ia), an obsolete designation for the group 1 elements * Type Ia supernova, a subtype of Type I supernova * Interactions of actors theory, by Gordon Pask
==Other uses== * Internal affairs (disambiguation) * Intermediate in Arts, an academic degree * Internal audit of an organization's operations * International affairs, alternative term for International relations, the study of politics, economics and law on a global level * Íþróttabandalag Akraness or ÍA, an Icelandic football team * Mazda2, a 2002–present Japanese subcompact car, sold in North America as the Scion iA and Toyota Yaris iA
==See also== * 1A (disambiguation) * AI (disambiguation)
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