ARA

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Media and the artsEdit

American-Romanian Academy of Arts and Sciences
Artistička Radna Akcija, compilation album released in former Yugoslavia
Associate of the Royal Academy, denoting membership in the British Royal Academy of Arts
ARA News, an online Arabic and English language news service focussed on Syrian and Kurdish events

Academic Research Alliance, an organization created to involve students in scientific activities
Alliance for Retired Americans, a senior citizen organization
American Relief Administration, a relief mission after World War I
Amateur Rowing Association, the governing body of rowing in the United Kingdom, now renamed British Rowing
Amateurs Radio Algeriens, the national amateur radio organization of Algeria
American Radio Association, a national AFL-CIO affiliated labor union representing U.S. Flag Merchant Marine Licensed Communications and Electronics Officers
American Railway Association, precursor to the Association of American Railroads
American Rally Association, governing body of rallying and championship in the United States
Anti-Racist Action, a network of anti-racist activists
Anti-Racist Alliance, a defunct anti-racist organisation in the United Kingdom
Applied Research Associates, a research and engineering company
Arab Rescue Army, a volunteer army during the 1948 Palestine war
Arcade and Attica Railroad, from its reporting mark
Archives and Records Association, professional body for UK and Irish archivists, archive conservators and records managers
Assets Recovery Agency, a British agency for the recovery of the proceeds of crime
Athénée Royal d'Auderghem, a school in Brussels, Belgium
Australasian Raptor Association, a special interest group of the Royal Australasian Ornithologists Union

Aerial rocket artillery, helicopter artillery units used by the U.S. Army in the Vietnam War mainly to engage ground targets
Armada de la República Argentina, the Argentine Navy (Argentine Navy ships use ARA as a name prefix, just as the US Navy uses USS)
Armenian Revolutionary Army, an armed militant group
Aryan Republican Army, white nationalist criminal group
Australian Regular Army

Angiotensin II receptor antagonist, more often called angiotensin receptor blocker (ARB)
Aldosterone receptor antagonist (mineralocorticoid receptor antagonist, that is, antimineralocorticoid)
Ant-based Routing Algorithm, a wireless mesh network routing protocol; see Swarm intelligence
AppleTalk Remote Access, a communications protocol
Audio Random Access, an extension to audio plug-in interfaces
Arachidonic acid (also AA), as found in breast milk and infant formula
The Arrow-Pratt measure of absolute risk aversion
Askaryan Radio Array (ARA), a GZK neutrino detector based on the Askaryan effect and will be positioned in the Antarctic ice sheet