| BIR | Board of Inland Revenue | (英国)国内税收局 |
| BIR | biorepressor | 生物素阻抑蛋白 |
| BIR | Banking Intermediation Rate | 银行中介利率 |
| BIR | Bureau of Intelligence and Research (US State Department) | 情报和研究局（美国国务院） |
| BIR | Built in Wardrobe | 内置衣橱 |
| BIR | Badatz Igud Rabbonim (Kosher Food Certification Agency) | Badatz Igud Rabbonim（犹太食品认证机构） |
| BIR | basic incidence rate | 基本发病率 |
| BIR | Birmingham Steel Corporation | 伯明翰钢铁公司 |
| BIR | Before Insert Row | 插入行之前 |
| BIR | Bad Information Retrieval | 不良信息检索 |
| BIR | Biratnagar, Nepal | 尼泊尔比拉特纳加尔 |
| BIR | Built In Robe | 内置式长袍 |
| BIR | Burn-In Reliability | 老化可靠性 |
| BIR | Beta-Cell Inward Rectifier Subunit | Beta单元内向整流器子单元 |
| BIR | Biomedical Imaging Resource | 生物医学成像资源 |
| BIR | Brother in Room | 房间里的兄弟 |
| BIR | Biological Impact Report | 生物影响报告 |
| BIR | Benefit/Investment Ratio | 利益/投资比例 |
| BIR | British Institute of Radiology | 英国放射学会 |
| BIR | Biometric Identification Record | 生物特征识别记录 |
| BIR | Business Information Records | 业务信息记录 |
| BIR | Built-in Rigid (plumbing) | 内置刚性（管道） |
| BIR | Baculovirus IAP Repeat | 杆状病毒IAP重复 |
| BIR | Bureau of Internal Revenue | 美国国税局 |
| BIR | Bureau of International Recycling | 国际回收局 |
| BIR | Boulons Industriels Rouville (French) | Boulons Industries Rouville（法语） |
| BIR | Business Informatics Research | 商业信息学研究 |
| BIR | Best Incremental Return | 最佳增量回报 |
| BIR | Banque d'Information sur les Recherches | Banque d 'Information Recherches资讯 |
| BIR | Basic Individual Record | 个人基本记录 |