English abbreviations from bars to bass
- BARS (Behaviourally-Anchored Rating Scale)
- BART (Bay Area Rapid Transit)
- BARV (Beach Armoured Recovery Vehicle)
- BARYC (Bay Area Regional Youth Circuit)
- BAS (Basic Allowance for Subsistance)
- BASC (Bengali Association of Southern California)
- BASE (British Aerospace Systems and Equipment)
- BASE-A (Brigade Automated Simulation Exercise - Apache)
- BASEC (British Approvals Service for Cables)
- BASF (Badische Anilin und Soda Fabrik (Baden Aniline and Soda Factory, a German chemicals company))
- Bash (Bourne-again shell)
- BASIC (Beginner's All-purpose Symbolic Instruction Code (acronym was added later, originally it was simply Basic))
- BASICS (Brief Alcohol Screening And Intervention For College Students)
- BASIS ((observing program) Burst and All Sky Imaging Survey)
- BASK (Bay Area Sea Kayakers)
- BASLC (Burl A. Shuler Learning Center)
- BASOPS (Base Operations)
- BASP (Bonn Archaeological Software Package)
- BASS (Big Awesome Speaker Systems)