| Acronym | Definition |
|---|
| BCAS | Bangladesh Centre for Advanced Studies (Dhaka) |
| BCAS | Broker Consulting, a.s. (Czech Republic) |
| BCAS | Bureau of Civil Aviation Security (India) |
| BCAS | British Columbia Ambulance Service |
| BCAS | British Compressed Air Society (UK) |
| BCAS | Boeing Commercial Aviation Services |
| BCAS | Bucks County Audubon Society (Pennsylvania) |
| BCAS | Breast Cancer Action Saskatchewan (Canada) |
| BCAS | Breast Carcinoma Amplified Sequence |
| BCAS | Bergen County Animal Shelter |
| BCAS | Bombay Chartered Accountants Society (India) |
| BCAS | Baltimore Choral Arts Society (Maryland) |
| BCAS | Bowles Center for Alcohol Studies (University of North Carolina) |
| BCAS | Bhaskaracharya College of Applied Sciences (India) |
| BCAS | Biological Combat Assessment System |
| BCAS | Beacon-Based Collision Avoidance System |
| BCAS | Buffalo Choral Arts Society |
| BCAS | Bruce County Astronomical Society |
| BCAS | Barristers Complaints Advisory Service (UK) |
| BCAS | Boone County Animal Shelter |
| BCAS | Business and Commuter Aviation Systems (Honeywell) |
| BCAS | Brigade Combat Aviation Squadron |
| BCAS | Broward County Archaeological Society Inc. (Florida) |
| BCAS | Base Contracting Automated System |
| BCAS | Building Condition Assessment Survey (schools) |
| BCAS | Bank of Central African States (est. 1955) |
| BCAS | British Columbia Ataxia Society |
| BCAS | Battle Management and C3 Architecture Simulator |