Armenia, via its country code

Age-related maculopathy in ophthalmology

ARM architecture, a computer processor architecture

Amalgamated Regional Militia, from Larry Niven's Known Space universe

Adjustable rate mortgage

Armenian language, via its language code

ARM Limited, an English company producing the ARM computer processors

Argentine peso moneda nacional, from its ISO 4217 currency code

An arm is an upper limb of the body. Arm (or arms) may also refer to:

Coat of arms

Anti-radiation missile

Animal Rights Militia

Artificial rupture of membranes; see amniotic sac

Australian Republican Movement

Association of Radical Midwives

Abstract Rewriting Machine

Armed Resistance Movement, an anti-apartheid movement in South Africa

Application Response Measurement

Association of Recovering Motorcyclists

Eta Capricorni, a star, traditional name "Arm"

Atmospheric Radiation Measurement, a program of the United States Department of Energy

Arm (geography), a narrow stretch of a larger body of water

ARMS (disambiguation)

Annotated Reference Manual

Armaments, weapons; as in Small arms, Right to bear arms

Distributary, an "arm" of a river, as in Indian Arm