| CRN | China Research Networking | 中国科研网 |
| CRN | Call ReturN | 呼叫返回 |
| CRN | Caisse de Retraite des Notaires | 公证人协会 |
| CRN | Contingency Radio Net | 应急无线电网 |
| CRN | Christmas Rock Night | 圣诞摇滚之夜 |
| CRN | Club Renault Norvege | 雷诺Norvege俱乐部 |
| CRN | Contact Reference Number | 联系人参考号 |
| CRN | Crime Reduction News | 减少犯罪新闻 |
| CRN | Carbon Reinforced Nylon | 碳增强尼龙 |
| CRN | Cable Radio Network | 有线无线网络 |
| CRN | Carolina and North Western Railway Company | 卡罗来纳州和西北铁路公司 |
| CRN | College Radio Network | 大学无线电网络 |
| CRN | Custom Rehab Network | 定制康复网络 |
| CRN | Cable Routing Rotation (NASA) | 电缆路由轮换（NASA） |
| CRN | Clinical Research Network (UK) | 临床研究网络（英国） |
| CRN | Committed Rate Network | 承诺费率网络 |
| CRN | Course Registration Number (college) | 课程注册号（学院） |
| CRN | Community Rehabilitation Network | 社区康复网络 |
| CRN | ComitÉ de ReconstrucciÓn Nacional | ComitÉ de ReconstrucciÓn Nacional |
| CRN | Career Resource Network | 职业资源网络 |
| CRN | Council on Renal Nutrition | 肾营养委员会 |
| CRN | Central Riddle Network (website) | 中央谜语网（网站） |
| CRN | Computer Registration Number | 计算机注册号 |
| CRN | Climate Reference Network | 气候参考网络 |
| CRN | Center for Responsible Nanotechnology | 负责任纳米技术中心 |
| CRN | Critical Ranking Number | 关键排名编号 |
| CRN | Cumann Rince Naisiunta | Cumann Rince Naisiunta |
| CRN | Course Registration Number | 课程注册号 |
| CRN | Charities Resource Network | 慈善资源网络 |
| CRN | Customer Restoration Network (insurance) | 客户恢复网络（保险） |
| CRN | Customer Reference Number | 客户参考号 |
| CRN | Cornish (SIL code, UK) | Cornish（SIL代码，英国） |
| CRN | choroidoretinal neovascularization | 脉络膜视网膜新生血管 |
| CRN | complement-requiring neutralizing(antibody) | 需要中和的补体（抗体） |
| CRN | Cromarty, Scotland | 苏格兰克罗马蒂 |
| CRN | Chinese Restaurant News | 中餐厅新闻 |
| CRN | Council for Responsible Nutrition | 负责营养理事会 |
| CRN | Community Recovery Network | 社区恢复网络 |
| CRN | Connecticut Radio Network | 康涅狄格广播网 |
| CRN | Cornell Corrections, Inc. | 康奈尔矫正公司。 |
| CRN | Combat Radio Net | 作战无线电网 |
| CRN | Canary Islands Radio Networks | 加那利群岛无线电网络 |
| CRN | Children's Restoration Network | 儿童恢复网络 |
| CRN | Canadian Registration Number | 加拿大注册号 |
| CRN | Centre for Research in Neuroscience | 神经科学研究中心 |
| CRN | Court Reporting Network | 法院报告网络 |
| CRN | Course Reference Number | 课程参考编号 |
| CRN | Compare with Random Number | 与随机数比较 |
| CRN | Consumer Resource Network | 消费者资源网络 |
| CRN | Conflict Resolution Network | 冲突解决网络 |
| CRN | Coding and Reimbursement Network | 编码和报销网络 |
| CRN | City Radio Network | 城市无线电网络 |
| CRN | Contract Revision Number | 合同修订号 |
| CRN | Computer Research News | 计算机研究新闻 |
| CRN | Community Recycling Network | 社区回收网络 |
| CRN | Cooperative Research Network | 合作研究网络 |
| CRN | Computer Random Numbering | 计算机随机编号 |
| CRN | Countryside Recreation Network | 乡村娱乐网络 |
| CRN | Crane | 起重机 |
| CRN | Collaborative Research Network (IAI) | 协作研究网络（IAI） |
| CRN | Chromium Nitride | 氮化铬 |
| CRN | Comparative Research Networks | 比较研究网络 |
| CRN | Cellular Radio Network | 蜂窝无线电网络 |
| CRN | Cartoonists Rights Network | 漫画家权利网络 |
| CRN | Crown | 王冠 |
| CRN | Cosmic Radio Noise | 宇宙无线电噪声 |
| CRN | Congress Rental Network | 国会租赁网络 |
| CRN | Course Request Number | 课程申请编号 |
| CRN | Certified Radiology Nurse | 注册放射科护士 |
| CRN | Computer Reseller News | 电脑经销商新闻 |
| CRN | Chicagoland Radiological Network | 芝加哥放射网络 |
| CRN | Chicago Rehab Network | 芝加哥康复网络 |
| CRN | Children's Residential Network | 儿童居住的网络 |