| NRB | National Research Board | 全国研究委员会 |
| NRB | Nepal Rastra Bank | 中央银行 |
| NRB | Network Relationship Banking | 网络关系银行 |
| NRB | New Regulatory Body | 新监管机构 |
| NRB | Not Recommended Behavior | 不推荐的行为 |
| NRB | Non Resident Bangladeshis | 非孟加拉国居民 |
| NRB | No Reaction Baby | 无反应婴儿 |
| NRB | New Research Building | 新研究大楼 |
| NRB | Network Report Builder | 网络报表生成器 |
| NRB | Needle Roller Bearing | 滚针轴承 |
| NRB | Not Required Back | 不需要返回 |
| NRB | Need Response By | 需要响应者 |
| NRB | National Religious Broadcasters | 国家宗教广播机构 |
| NRB | Neutral Red Bioassay | 中性红生物测定 |
| NRB | National Research Bureau | 国家研究局 |
| NRB | Natural Resources Board | 自然资源委员会 |
| NRB | Naval Rolled Brass (tubesheet material used in shell-and-tube condensers and heat exchangers) | 海军轧制黄铜(用于管壳式冷凝器和换热器的管板材料) |
| NRB | Nonrejoining Break (DNA strand) | 不连接断裂(DNA链) |
| NRB | No Reason Boner | 无理由Boner |
| NRB | National Reservation Bureau Inc | 国家保留局 |
| NRB | National Review Board | 国家审查委员会 |
| NRB | National Reconstruction Bureau (Pakistan) | 国家重建局(巴基斯坦) |
| NRB | non-rejoining break | 不重接断裂 |
| NRB | Non Re-Breather (mask used in anesthesia) | 非呼吸式呼吸器(麻醉中使用的面罩) |
| NRB | Nootka Resource Board (Gold River, BC, Canada) | 努特卡资源委员会(加拿大不列颠哥伦比亚省金河市) |
| NRB | National Repair Bureau (Sprint application) | 国家维修局(Sprint应用程序) |