IA

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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
• Infant Annihilator, an English deathcore band

Businesses and organizations

• Indian Airlines, defunct airline, 1953-2011
• Indiana Academy, a high school
• International Academy, Bloomfield Hills, Michigan
• Internet Archive, online digital library and host organization of the Wayback Machine
• Iraqi Airways (IATA airline designator IA)
• Impact assessment of public policy
• Aircraft model prefix of Fabrica Argentina de Aviones, e.g. FMA IA 62

Government, law, and military

• Indian Army, the Indian Army
• Indonesian Army, the 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 IA I, IA IIA, etc., in archaeology of Israel

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
• Intussusceptive angiogenesis, a type of process to create a new blood vessel

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
• 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)