Arm (disambiguation)

An arm is an upper limb of the body.

Arm or ARM may also refer to:

Geography

 * Arm, Mississippi, an unincorporated community in Lawrence County, Mississippi
 * Arm (geography), a narrow stretch of a larger body of water
 * Distributary or arm, a subsidiary branch of a river
 * Arm River (disambiguation), several rivers and locations
 * "Arm of Finland" (Suomen käsivarsi), widely known geographical nickname for the municipality of Enontekiö
 * County Armagh, Northern Ireland, Chapman code ARM
 * Armenia (ISO 3166-1 alpha-3 country code)

Science and medicine

 * Anorectal malformation, a birth defect in which the rectum is malformed
 * Aldo-keto reductase family 1, member A1, an enzyme

Technology

 * Asteroid Redirect Mission, a proposed NASA mission
 * Atmospheric Radiation Measurement, a program of the United States Department of Energy
 * Advanced Robotics for Manufacturing, a consortium established in 2017

Computing

 * ARM architecture family, a RISC instruction set family
 * Arm (company), a British multinational company that designs the ARM computer processors
 * Application Response Measurement, an open standard for diagnosing performance bottlenecks
 * Abstract rewriting machine, a virtual machine
 * Arm (software), a CLI status monitor for Tor

Weaponry

 * Armament, any implement or device that is used to deter, threaten, inflict physical damage, harm, or kill
 * Firearm, a portable gun
 * Anti-radiation missile, a missile designed to detect and home in on an enemy radio emission source

Fiction

 * ARM (novella), a novella by Larry Niven
 * Amalgamated Regional Militia, a fictional group from Larry Niven's Known Space universe
 * Armageddon (MUD) or Arm, a text-based online role-playing game
 * ARM, a faction in Chris Taylor's video game Total Annihilation

Organizations

 * Africa Reparations Movement, a British organization advocating reparations for slavery (1993–2000)
 * African Rainbow Minerals, a mining company based in South Africa
 * African Resistance Movement, an anti-apartheid movement in South Africa in the 1960s
 * Afrikaner Weerstandsbeweging (Afrikaner Resistance Movement)
 * Animal Rights Militia, a banner used by animal rights activists
 * ARM Cement Limited, a mining and manufacturing company in Kenya
 * Army of the Republic of Macedonia (now Army of the Republic of North Macedonia)
 * Associação dos Radioamadores de Macau, an amateur radio organization in Macao
 * Asociația Radioamatorilor din Moldova, an amateur radio organization in Moldova
 * Association of Radical Midwives, a UK organisation for midwives
 * Association of Railway Museums, an organization in North America
 * Association of Recovering Motorcyclists, an international motorcycle association
 * Australian Republican Movement, a lobby group that promotes changing Australia to a republic
 * Autism rights movement, a social movement

Other uses

 * Arm (dominoes), a line of dominoes with one open end
 * Armenian language (ISO 639-2 code)
 * Adjustable-rate mortgage, a type of mortgage loan
 * Argentine peso moneda nacional (ISO 4217 code), a former currency of Argentina
 * Armada República Mexicana, a ship prefix of the Mexican Navy
 * American Racing Manual, a publication covering Thoroughbred horse racing in the United States
 * Armidale Airport, IATA airport code "ARM"
 * Armadale railway station, Melbourne