ARB

ARB or ARb may stand for:

Medicine

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

Military

• Administrative Review Board, a military body that conducts 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
• ARb, the United States Navy hull classification symbol for "baserepair ship"
• ARB, the United States Navy hull classification symbol for "battle damage repair ship"

Politics

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

Architecture

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

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 assembly language, a low-level shading language defined by the OpenGL Architecture Review Board

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 (Amtrak station) (Amtrak station code)
• Arab States, UNESCO region
• Arbroath railway station, United Kingdom (National rail code)
• Arth-Rigi-Bahn, a Swiss mountain railway

Government

• Administrative Review Board (Labor), a unit of the United States Department of Labor
• Air Resources Board, California Environmental Protection Agency

Finance, Economics, and Business

• ARB or "arb" may be an abbreviation for:
  • Arbitrage
  • Arbitrage betting
  • Arbitrary
  • Arbitration
  • Arb (gesture), a system of hand gestures used most notably on the Chicago Mercantile Exchange

Music

• ARB (band), a Japanese rock band

Sports

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

Radio

• American Research Bureau