| CNR | Communication and Networking Riser | 通讯和网络升级卡 |
| CNR | Carrier to Noise Ratio | 载噪比 |
| CNR | Carrier-To-Noise Ratio (fiber quality measuring) | 载噪比(光纤质量测量) |
| CNR | Center for Nutritional Research | 营养研究中心 |
| CNR | Centre for Neuroscience Research | 神经科学研究中心 |
| CNR | Combat Net Radio (SINCGARS) & Improved High Frequency Radio (IHFR) | 战斗网络电台(SINCGARS)及改善高频电台(IHFR) |
| CNR | Customer Not Ready | 客户未准备好 |
| CNR | Click N Run | 单击N运行 |
| CNR | College of New Rochelle | 新罗彻尔学院 |
| CNR | Center for Narcolepsy Research | 嗜睡症研究中心 |
| CNR | Composite Noise Rating | 综合噪声等级 |
| CNR | Combat Net Radio | 战斗无线电网 |
| CNR | Committee on Natural Resources | 自然资源委员会 |
| CNR | Communication Network Riser | 通信网络提升板 |
| CNR | Consiglio Nazionale delle Ricerche (Italian National Research Council) | 意大利国家研究委员会 |
| CNR | Customer Net Revenue | 客户净收入 |
| CNR | Communications/Network Riser | 通信网络程 |
| CNR | Could Not Resist | 无法抵抗 |
| CNR | Chief of Naval Research | 海军研究局长 |
| CNR | Certificate of No Records | 无记录证明书 |
| CNR | Corporation for National Research | 国家研究公司 |
| CNR | Composite Noise Ratio | 复合噪声比 |
| CNR | Carboxy Nitroso Rubber | 羧基硝基橡胶 |
| CNR | Complex Node Representation (ATM Forum, PNNI SWG) | 复杂节点表示(ATM论坛,PNNI SWG) |
| CNR | China National Radio | 中国国家广播电台 |
| CNR | College of Natural Resources | 自然资源学院 |
| CNR | Cisco Network Registrar | Cisco网络注册器 |
| CNR | ComisiÓn Nacional de ReconciliaciÓn | ComisiÓn Nacional de ReconciliaciÓn |
| CNR | Conventional Nuclear Weapons | 常规核武器 |
| CNR | Communications / Network Riser | 通信网络 |
| CNR | Complex Natural Resonance | 复杂自然共振 |
| CNR | Committee for Nuclear Responsibility (San Francisco, CA) | 核责任委员会(加利福尼亚州旧金山) |
| CNR | Conseil National de Recherches | 国家研究委员会 |
| CNR | Clinical Nursing Research (journal) | 临床护理研究(期刊) |
| CNR | Critical Node Recognizer | 关键节点识别器 |
| CNR | Customized Network Routing | 自定义网络路由 |
| CNR | Communications Networking Riser | 通信网络提升板 |
| CNR | Carrier-to-Noise-Ratio | 载波噪声比 |
| CNR | Centro Nacional de Registro | 国家登记中心 |
| CNR | Clutter to Noise Ratio | 杂波噪声比 |
| CNR | Casting Not Recommended | 不推荐铸造 |
| CNR | Cell Nucleus Replacement | 细胞核置换 |
| CNR | Calibration Not Required | 不需要校准 |
| CNR | Centro Nazionale delle Ricerche | 意大利国家中心 |
| CNR | Canadian National Railroad | 加拿大国家铁路 |
| CNR | C-Type Noise Reduction (Dolby cassette technology) | C型降噪(杜比盒式技术) |
| CNR | Centro Nacional de Registros | 国家登记中心 |
| CNR | Cell Nuclear Replacement | 细胞核替换 |
| CNR | Communication & Networking Riser | 通信和网络 |
| CNR | Can Not Reproduce | 无法再现 |
| CNR | Charles Nelson Reilly (actor) | 查尔斯·纳尔逊·赖利(演员) |
| CNR | Center for Neurological Restoration (Cleveland Clinic) | 神经修复中心(克利夫兰诊所) |