ARB may stand for:

In Medicine:

• Angiotensin receptor blocker (antagonist), a medication for treating high blood pressure

In Education:

• Academic Review Board, a committee to determine whether students have met standards for continuing in the program and/or for continued financial aid, especially federal aid

In the Military:

• Administrative Review Board, conduct annual hearings, to determine whether captives held in the Guantanamo Bay detention camps continue to represent a threat to the USA's national security
• Air Reserve base, a United States Air Force base converted for use by the Reserves
• A hull classification symbol, used for United States Navy battle damage repair ships

In Politics:

• Armee Revolutionnaire Bretonne (Breton Revolutionary Army), an armed Breton Nationalist secret society that has attacked France.

In Architecture:

• Architects Registration Board, for which see Architects Registration in the United Kingdom

In Commerce:

• Automated Recurring Billing

In Science, Technology, and Engineering:

• Arbitrary unit
• Anti-roll bar, also known as a Sway bar
• ARB Project, for phylogenetic analysis
• Arbitron, a radio audience research company
• OpenGL Architecture Review Board, a consortium previously governing OpenGL
• ARB OpenGL Shader Assembly Language

In Transportation and Geography:

• Akawaio language (SIL code), a Cariban language of Guyana
• Several transportation facilities in Ann Arbor, Michigan:
  • Ann Arbor Municipal Airport (IATA airport code)
  • Ann Arbor train station (Amtrak station code)
• Arab States, UNESCO region
• Arbroath railway station, United Kingdom (National rail code)
• Arth-Rigi-Bahn, a Swiss mountain railway

In Government:

• Administrative Review Board (Labor) - a unit of the U.S. Department of Labor
• Air Resources Board, California Environmental Protection Agency

In Finance, Economics, or Business, "ARB" or "arb" may also be an abbreviation for:

• Arbitrage
• Arbitrage betting
• Arbitrary
• Arbitration
• Arb (gesture), a system of hand gestures used most notably on the Chicago Mercantile Exchange

In Music:

• ARB (band), a Japanese rock band

In Sports:

• Australian Racing Board, the peak national administration body for Thoroughbred racing in Australia

In Arboriculture:

• ArbWiki, abbreviation for all subjects to do with Arboriculture (such as Arborist)

In Communities or Subdivisions governed by a Covenant:

• Architectural Review Board, usually a volunteer group that evaluates changes to a house or property that the homeowner wishes to make, to ensure that the articles of the Covenant are not violated

In Radio:

• American Research Bureau

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.