IA, Ia, or ia may refer to:

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)