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, logo *

Indiana Academy Indiana Academy also known as IA is a Seventh-day Adventist secondary school located in Cicero, Indiana, United States. Indiana Academy is owned and operated by the Indiana Conference of Seventh day Adventists and is one of many other Adventis ...

, a school * International Academy, Bloomfield Hills, Michigan * International Artists, a record label * '' Internet Archaeology'', an electronic journal * Internet Archive, creators of the Wayback Machine * Iraqi Airways (IATA airline designator IA) * Aircraft model prefix of ''Fabrica Argentina de Aviones'', e.g. FMA IA 62 * Impact assessment of public policy

Government, law, and military

* Indian Army, the Indian Army *

Indonesian Army The Indonesian Army ( id, Tentara Nasional Indonesia Angkatan Darat (TNI-AD), ) is the land branch of the Indonesian National Armed Forces. It has an estimated strength of 300,000 active personnel. The history of the Indonesian Army has its ...

, the Indonesian Army *

Individual augmentee An Individual augmentee is a United States military member attached to a unit (battalion or company) as a temporary duty assignment ( TAD/TDY). Individual Augmentees can be used to fill shortages or can be used when an individual with specialized ...

, 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 639-2 code: ''ia'') * Romanization of

Cyrillic , bg, кирилица , mk, кирилица , russian: кириллица , sr, ћирилица, uk, кирилиця , fam1 = Egyptian hieroglyphs , fam2 = Proto-Sinaitic , fam3 = Phoenician , fam4 = G ...

'' Я'' letter

People

* Ia or Violet of Persia, fourth-century martyr, feast day September 11 * Saint Ia of Cornwall * Mattias Eklundh, Swedish guitarist

Places

* Ia or

Oia Oia or OIA may refer to: Places *Oia, Spain, a municipality in Galicia, in the province of Pontevedra *Oia, Greece, a small town on the island of Santorini *Oia, alternate name of Oea (Attica), a town of ancient Attica *Oia, alternate name of Oe ...

, Greece, on Santorini * Iowa, U.S. (postal abbreviation) *

Iá River Iá River is a river of Amazonas state in north-western Brazil. See also * List of rivers of Amazonas ReferencesBrazilian Ministry of Transport Rivers of Amazonas (Brazilian state) {{AmazonasBR-river-stub ...

, 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'' * 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

Computing and electronics

IA (vocaloid) is a humanoid persona voiced by a singing synthesizer application developed by 1st Place Co., Ltd., headquartered in Meguro, Tokyo, Japan. They use Yamaha Corporation's Vocaloid 3 singing synthesizer technology. Her voice is created using samp ...

, in software * IA-32, Intel Architecture, 32-bit * IA-64, Intel Architecture, 64-bit *

Implicit authentication Implicit authentication (IA) is a technique that allows the smart device to recognize its owner by being acquainted with his/her behaviors. It is a technique that uses machine learning algorithms to learn user behavior through various sensors on th ...

, 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) Internal affairs may refer to: Government and law * The domestic policy of a sovereign state * Ministry of home affairs, a common type of government department ** Ministry of Internal Affairs ** Department of Internal Affairs, New Zealand ** Dir ...

* 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