| BRR | Barra / Hebrides Islands, Scotland, United Kingdom - North Bay (Airport Code) | 占据(苏格兰赫布里底群岛联合王国——北海湾(机场代码) |
| BRR | Bootheel Regional Rail Corporation | Bootheel地区铁路公司 |
| BRR | Barrett Resource Corporation | 巴雷特资源公司 |
| BRR | Buck Rope Race | 巴克跳绳比赛 |
| BRR | Balanced Repeated Replication | 平衡重复复制 |
| BRR | Blue Ridge Rounders (band) | 蓝脊圆船（波段） |
| BRR | Barra, UK | 英国巴拉 |
| BRR | Beta Readiness Review | 测试就绪审查 |
| BRR | breathing reserve ratio | 呼吸储备比 |
| BRR | Big Red Racing (game) | 大红赛车（游戏） |
| BRR | baroreceptor reflex response | 压力感受器反射反应 |
| BRR | Bus Requirements Review | 总线需求审查 |
| BRR | Business Requirements Review | 业务需求审查 |
| BRR | Bike Ride To Rippey | 骑自行车去里皮 |
| BRR | Benefits Realization Review (health insurance) | 福利实现审查（健康保险） |
| BRR | Business Restructuring Reserve | 业务重组准备金 |
| BRR | Bylaws Resolutions And Recommendations | 章程决议和建议 |
| BRR | Baseline Readiness Review | 基线准备情况审查 |
| BRR | Badan Rehabilitasi dan Rekonstruksi (Indonesian, Rehabilitation and Reconstruction Agency, Indonesia) | Badan Rehabilitasi and Rekonstruksi（印度尼西亚，复兴与重建局，印度尼西亚） |
| BRR | Bounding Regenerative Randomization | 有界再生随机化 |
| BRR | Belton Railroad Company | 贝尔顿铁路公司 |
| BRR | Bit Rate Reduction | 比特率降低 |
| BRR | Battelle Memorial Institute Reactor | 巴特尔纪念研究所反应堆 |
| BRR | Batch Record Review | 批记录审查 |