Iron deficiency anemia

Ida (Middleverse), a soulless android from outer space masquerading as a librarian in the Middleverse

Ida is a female name derived from Old Norse ið, which means 'deed' or 'action'. Its name day is on February 16 in Slovakia, March 15 in the Czech Republic, on September 4 in Germany, Norway and Poland

Ida Lupino, an actress and film director

243 Ida, an asteroid

In Defense of Animals, a non-profit organisation for animal rights activism

Industrial Denatured Alcohol

International Development Association

Infocomm Development Authority of Singapore, a statutory board of the Singapore Government

IDA (drug store), a Canadian drug store

Ida Township, Michigan, a township in eastern Michigan

Ida Rubinstein, a Russian ballet dancer

IDA*, Iterative deepening depth-first search algorithm

Mount Ida, Arkansas, a city in Arkansas

Russian IDA71 military and naval rebreather, are makes of Russian frogman's rebreather

Institute for Defense Analyses

The Interactive Disassembler, a popular software disassembler tool for reverse engineering

International Door Association

Ida (band), an American independent rock band

Ida, Louisiana, a village in Louisiana, United States

Idaho Falls Regional Airport (IATA code: IDA), a public airport in Idaho Falls

Saint Ita (also known as Ida), an Irish nun

Mount Ida, a mountain in Phrygia, Turkey

Ida, Countess of Boulogne, c. 1160-1216, a Countess of Boulogne

Ida (restaurant), a restaurant and public sauna in Helsinki, Finland

International Dark-Sky Association

Individual Development Account

Plain of Ida, a fictional plain with Gladsheim and Vingolf in Norse mythology

Industrial Development Agency, of Ireland

Ida of Bernicia (d. 559), a King of Bernicia, a kingdom in what is now northeastern England

Ida (Sword), an African type of sword

Itta, the wife of Pepin of Landen and mother of Saint Begga

International Dyslexia Association

Danish Society of Engineers (Danish: Ingeniørforeningen i Danmark), an association for engineers and others in technology.

Internet Download Accelerator, a download accelerator software created by WestByte

International Documentary Association

Ida (goddess), a goddess in Hinduism

Mount Ida, Crete, a mountain in Crete, inhabited by a nymph of the same name; sometimes called "Psiloritis"

ITA can refer to: Italy or the Italian language Instituto Tecnológico de Aeronáutica (Aeronautics Technological Institute), an elite engineering school in São José dos Campos, Brazil Illinois Trade Association, a trade clearinghouse based in...

Ida (yoga), a nadi in the subtle body

International Design Awards

International Disability Alliance

Ida River, a river in Slovakia

Idaho Falls Regional Airport, its IATA airport code

Ida County and its county seat Ida Grove, in Iowa

Idavoll, in Scandinavian mythology the plain on which Asgard is built

Princess Ida, eponymous heroine of Gilbert and Sullivan's comic opera