Indian Army, part of the Military of India.

Interlingua (ISO 639 alpha-2, ia).

IA-64, EPIC variant VLIW architecture found in Itaniums.

Iowa, U.S.A. (postal abbreviation).

Internet Archive, a non-profit organization dedicated to maintaining an archive of web and multimedia resources.

Indian Airlines, a domestic air carrier in India.

Iraqi Airways (IATA airline designator).

ia, a VJ on MTV Japan.

Intelligence amplification, the process of enhancing human intelligence through the use of technology.

Individual Augmentee Program that US military uses to inflate numbers of combat soldiers by assigning non-combat occupations as 'augmentees'.

Information architecture, the practice of structuring information (knowledge or data).

IA-32, CISC over RISC architecture found in 32-bit x86 CPUs.

Information assurance, dealing with trust aspects of information.

Swedish guitarist Mattias "IA" Eklundh.

Internal affairs (law enforcement), a division of a law enforcement agency which investigates incidents and suspicions of lawbreaking and professional misconduct attributed to officers on the force.

Я (ya), a letter in the cyrillic alphabet

IA-8, microcomputer CPU of the 1970s.

Ia or Oia, Greece, a small town on the island of Santorini.

Insha'Allah, Arabic word meaning "If God wills".

IA-4, the founding of microprocessors.

International Arbiter, a chess title awarded by the World Chess Federation

International Artists, a record label

Saint Ia of Cornwall.

International Academy, a public high-school in Bloomfield Hills, Michigan, U.S.A.

Inuit Ataqatigiit, a left-wing party in Greenland.

Iron Agency, a metal band from Kirkland, Washington