| BAS | Bachelor in Applied Studies 
| Others |
| BAS | Bachelor of Applied Studies
| Others |
| BAS | Bachelor of Arts and Science
| Others |
| BAS | Back After Summer
| Others |
| BAS | Back Arm Squeeze
| Others |
| BAS | Ballalae, Solomon Islands
| Others |
| BAS | Ballistic Addon Studios
| Others |
| BAS | Balloon Atrial Septostomy
| Others |
| BAS | Baltic Armada Semen
| Others |
| BAS | Bangladesh Astronomical Society
| Others |
| BAS | Bank Account Statement
| Others |
| BAS | barium sulphate
| Others |
| BAS | barium swallow
| Others |
| BAS | Basa
| Others |
| BAS | Basal
| Others |
| BAS | Baseline Assessment Strategy
| Others |
| BAS | Basic Activity Subset
| Others |
| BAS | Basic Allowance for Subsistence
| Others |
| BAS | Basic Allowance for Substance
| Others |
| BAS | Basic Allowance for Sustenance
| Others |
| BAS | BASIC language source code file ( QuickBASIC - GW-BASIC)
| Others |
| BAS | basophil
| Others |
| BAS | Basophils
| Others |
| BAS | Battalion Aid Station
| Others |
| BAS | Battlefield Automated System(s)
| Others |
| BAS | Bay Area Slashers
| Others |
| BAS | Beat All Sports
| Others |
| BAS | Become A Star
| Others |
| BAS | Becoming Anti Social
| Others |
| BAS | Behavioral Approach System
| Others |
| BAS | Behaviour Assertion Sheets
| Others |
| BAS | Behavorial Analysis Science
| Others |
| BAS | Beijing Auto Show
| Others |
| BAS | Belt Alternator Starter
| Others |
| BAS | Belt Alternator System
| Others |
| BAS | Belt-Driven Alternator Starter
| Others |
| BAS | Benchmark Assessment System
| Others |
| BAS | Benchmark Assssment System
| Others |
| BAS | Beneficial to All Stakeholders
| Others |
| BAS | Benefit Administrative Systems
| Others |
| BAS | Benefit Allocation Systems
| Others |
| BAS | Benefit Auctioneer Specialist
| Others |
| BAS | Bharatiya Antariksh Station
| Facility, Research Center, Transport, Space Travel, Spacecraft |
| BAS | Biblical Archaeology Society
| Others |
| BAS | Bibliography of Asian Studies
| Others |
| BAS | Big A** Scope
| Others |
| BAS | Binary Attribute Set
| Others |
| BAS | Biological Age Score
| Others |
| BAS | Biologically Active Substance
| Others |
| BAS | Bistable Automatic Shoe
| Others |
| BAS | Bitrate Allocation Signal
| Others |
| BAS | Block Acquisition Sequence
| Others |
| BAS | Bloody Anime Station
| Others |
| BAS | Board for Actuarial Standards
| Others |
| BAS | Book of Authorized Services
| Others |
| BAS | Borland Appserver
| Others |
| BAS | Boundary and Annexation Survey
| Others |
| BAS | Boundary and Annexations Survey
| Others |
| BAS | Bouwlust After School
| Others |
| BAS | Brachycephalic Airway Syndrome
| Others |
| BAS | Brake Apply Sensor
| Others |
| BAS | Brake Assist System
| Others |
| BAS | Braking Assist System
| Others |
| BAS | Breach and Attack Simulation
| Others |
| BAS | Bremsassistent
| Others |
| BAS | Brighton Area Schools
| Others |
| BAS | British Ambulance Society
| Others |
| BAS | British Andrology Society
| Others |
| BAS | British Antarctic Survey
| Others |
| BAS | British Austin Society
| Others |
| BAS | British Automotive Society
| Others |
| BAS | Broadband Access Switch
| Others |
| BAS | bronchoalveolar secretions
| Others |
| BAS | Bronx Aging Study
| Others |
| BAS | Build Advise Support
| Others |
| BAS | Build Assessment Summary
| Others |
| BAS | Building Automated System
| Others |
| BAS | Building Automation System
| Others |
| BAS | Building Automation Systems
| Others |
| BAS | Bulletin of the Atomic Scientists
| Others |
| BAS | Bureau of Agricultural Statistics
| Others |
| BAS | Business Activity Statement
| Others |
| BAS | Business Activity Statements
| Others |
| BAS | Business Administration Scale
| Others |
| BAS | Business and Administrative Services
| Others |
| BAS | Business Application Services
| Others |
| BAS | Business Audio Source
| Others |
| BAS | Business Authentication Service
| Others |
| BAS | Business Automation Services
| Others |
| BAS | The Bovine Appreciation Society
| Others |
| BAS | Visual Basic Module
| Others |