ABR
# ABR

Abr or ABR may refer to:

## Technology

* Available Bit Rate, a service used in ATM networks
* Average bitrate, the average amount of data transferred per second
* Area border router, in the Open Shortest Path First protocol
* Adaptive bit rate, a method of video transmission through the Internet
* Anaerobic baffled reactor, a type of decentralized wastewater system

## Transport

* Abercynon North railway station, a closed railway station formerly serving the village of Abercynon in the Cynon Valley, South Wales
* ABR, IATA code for Aberdeen Regional Airport, an airport east of Aberdeen, South Dakota, United States
* ABR, ICAO designation for ASL Airlines Ireland, a freight airline
* Athens Line, a railroad operating in the U.S. state of Georgia

## Other uses

* Abr, a village in Iran
* Accredited Buyer Representative, a designation of the National Association of Realtors
* Abron dialect, a major dialect of the Akan language of Central Ghana
* Addison Brown (1830–1913), American jurist and botanist (standard author abbreviation: A. Br.)
* American Board of Radiology
* Auditory brainstem response, an electrical signal evoked from the brainstem of a human or other mammal
* August Burns Red, a metalcore band from Lancaster, Pennsylvania
* Australian Biblical Review, academic journal
* Australian Book Review, a literary magazine
* Australian Business Register, government body tasked with issuing and maintaining Australian Business Numbers (ABNs)
