ABS

ABS usually refers to:
 * Acrylonitrile butadiene styrene, a common plastics polymer
 * Anti-lock braking system, in vehicles

Abs usually refers to:
 * Rectus abdominis muscle ("abdominal muscle" or "abs") of humans and some mammals
 * Abdominal muscles (colloquial)

ABS or Abs may also refer to:

Broadcasting

 * ABS (TV station), Australian Broadcasting Corporation's television station in Adelaide, Australia
 * ABS network (Arab Broadcasting Services)
 * Akita Broadcasting System, Japan
 * Amalgamated Broadcasting System, former US radio network
 * Alto Broadcasting System, a Philippines company later ABS-CBN

Music

 * A.B.'s, a Japanese 1980s instrumental band
 * American Bach Soloists, chamber music ensemble
 * Abz Love, British singer

Other media

 * Abs Denham, a fictional character in Casualty

Organizations

 * ABS FC, a football club from Ilorin, Nigeria
 * American Bible Society
 * American Bladesmith Society
 * American Boy Scouts, an early Scouting organization
 * American Bureau of Shipping, a shipping classification society
 * Animal Behavior Society, an international organization
 * Association of Broadcasting Staff, a former British broadcasting trade union
 * Aston Business School, Birmingham, England, UK
 * Australian Bureau of Statistics

Companies

 * ABS Free Dish, a Bermuda-based television service
 * ABS (satellite operator), Amit Somani, Dubai, formerly Asia Broadcast Satellite
 * ABS Capital Partners, Baltimore, Maryland, US
 * Alternative Bank Schweiz, Solothurn, Switzerland
 * American Bladesmith Society
 * ABS Global, formerly American Breeders Service
 * ABS Building Society, Australia
 * Acciaierie Bertoli Safau, an Italian steel mill
 * ABS-CBN Corporation, a Philippine media and entertainment conglomerate.
 * ABS-CBN, a Philippine television network.

Places

 * Abu Simbel Airport (IATA airport code), Egypt
 * Archbold Biological Station, a research institute in Florida, US
 * Abs District, Hajjah Governorate, Yemen
 * Abs (Yemen), a town

Science and technology

 * , in linguistics, glossing abbreviation for absolutive case
 * Absolute value, function in mathematics and computing
 * Arch Build System, in Arch Linux
 * Automated Balls and Strikes, in baseball
 * Automatic block signal, in US railroad signalling

Biology and medicine

 * Amniotic band syndrome, a congenital disorder
 * Cis-abienol synthase, an enzyme
 * Ankaferd BloodStopper, an antihemorrhagic
 * Auto-brewery syndrome, ethanol produced in the digestive system
 * Aqueous biphasic system, for solvent extraction

Telecommunications

 * Aerial base station, flying antenna system

Other uses

 * Abs (surname), list of people with the name
 * Ambonese Malay (ISO 639-3 code), a Malay creole of Indonesia
 * Asset-backed security, in finance
 * Advanced British Standard, a proposed British educational qualification
 * Nagoya Protocol on Access and Benefit Sharing, supplementary to the Convention on Biological Diversity