Look up ARB or arb in Wiktionary, the free dictionary.

ARB, ARb or arb may refer to:

Brands and enterprises

• ARB, Inc., predecessor of Primoris Services Corporation
• American Research Bureau

Computing

• Arb, an interval arithmetic package related to GNU MPFR
• OpenGL Architecture Review Board
  • ARB assembly language, for GPU instructions

Finance, economics, and business

• Arbitrage, a trading practice
• Arbitrage betting

Government

• Administrative Review Board (Labor) of the US Department of Labor
• Air Resources Board, California Environmental Protection Agency
• Architects Registration Board, UK statutory body

Language

• Arb (gesture), hand signals used on financial trading floors
• Modern Standard Arabic (ISO 639-3 code)

Military

• Administrative Review Board, for prisoners in the Guantánamo Bay detention camps
• Air Rescue Boat
• Two US Navy hull classification symbols: Battle damage repair ship (ARB) and Base repair ship (ARb)

Science, engineering, and health care

• Accumulative roll bonding of metal sheets
• Angiotensin II receptor blocker, a blood pressure medication
• ARB Project, for phylogenetic analysis
• Arbitrary unit or arb unit
• Royal Academies for Science and the Arts of Belgium (French: Académie Royal de Belgique)

Sports

• ARB (martial art), a Russian martial art
• Australian Racing Board for horse racing

Transportation

• Ann Arbor station, Amtrak station in Michigan, station code
• Ann Arbor Municipal Airport (IATA airport code)
• Arbroath railway station, UK (National rail code)
• Arth-Rigi-Bahn, a Swiss mountain railway

Other uses

• ARB (band), a Japanese rock band
• Breton Revolutionary Army (French: Armée Révolutionnaire Bretonne), an illegal organization