| Acronym | Definition |
|---|
| BRS | Brass |
| BRS | Bureau of Rural Sciences (Australia) |
| BRS | Broadband Radio Service (telecommunications) |
| BRS | Big Red Switch (referring to the power switch on older personal computers) |
| BRS | Boston Red Sox |
| BRS | Biennial Reporting System (US EPA) |
| BRS | Baggage Reconciliation System |
| BRS | Business Risk Services |
| BRS | Bombesin Receptor Subtype |
| BRS | Ballistic Recovery System (parachute recovery system for aircraft) |
| BRS | Blackrock Spire (World of Warcraft gaming) |
| BRS | Brown Recluse Spider |
| BRS | Bertrand Russell Society |
| BRS | Baroreceptor Sensitivity (medical analysis measure) |
| BRS | Board Recognized Specialist |
| BRS | Business Requirement Specification |
| BRS | Business Recovery Service |
| BRS | Building Research Station (UK) |
| BRS | Bibliographic Retrieval Services, Inc. |
| BRS | Bristol, England, United Kingdom - Bristol (Airport Code) |
| BRS | Base Radio Systems |
| BRS | Bottom Right Side |
| BRS | Budget Revision System |
| BRS | Brotherhood of Railroad Signalman |
| BRS | Budget Review System |
| BRS | Boston Retirement System |
| BRS | B-Mode Receiving Station |
| BRS | Bistatic Radar System |
| BRS | Budget and Reporting System |
| BRS | Bilancio Comunitario Rettificativo e Suppletivo (Italian: supplementary and amending budget) |
| BRS | Block Recorder System |
| BRS | Bachelor of Recreation Studies |
| BRS | Behyneh Ravansaz Sanat Co. |
| BRS | Broadcasting Squadron |
| BRS | Bachelor's of Religious Studies Degree |
| BRS | Bio Response Systems |
| BRS | Bachelor of Rural Studies |
| BRS | BEESA Rating Services (Black Economic Empowerment South Africa) |
| BRS | Block Received Signal |
| BRS | Bachelor of Resource Studies |