| UIC | INTERNATIONAL UNION OF RAILWAYS | 国际铁路联合会 |
| UIC | Upper Information Center | 高空情报中心 |
| UIC | Universal Ignition Control | 万用点火控制 |
| UIC | Unemployment Insurance Commission (Canada, archaic) | 失业保险委员会(加拿大,过时) |
| UIC | Ukrainian Investment Communications | 乌克兰投资通讯 |
| UIC | Ukpeagvik Inupiat Corporation | Ukpagvik Inupiat公司 |
| UIC | Union of Islamic Courts | 伊斯兰法院联盟 |
| UIC | Unpacking, Installing and Commissioning | 开箱、安装和调试 |
| UIC | Unit Identification Code | 部队识别代号 |
| UIC | User Identification Code | 用户识别码 |
| UIC | Universally Interoperable Core | 通用互操作核心 |
| UIC | Upper Information Centre (aviation) | 上层信息中心(航空) |
| UIC | United Industrial Corporation | 联合工业公司 |
| UIC | University of Illinois at Chicago | 伊利诺大学芝加哥分校 |
| UIC | Unemployment Insurance Compensation | 失业保险金 |
| UIC | Union Internationale des Chemins de Fer (International Union of Railways) | 国际铁路联盟 |
| UIC | Universal Instruments Corporation | 环球仪器公司 |
| UIC | University of the Immaculate Conception (Philippines) | 无原罪大学(菲律宾) |
| UIC | Urban Influence Code | 城市影响代码 |
| UIC | Union Internationale des Chemin (International Union of Railways) | 国际铁路联盟 |
| UIC | Uranium Information Centre | 铀信息中心 |
| UIC | Universal ICAP Code | 通用ICAP代码 |
| UIC | Unique Identifier Code (Nortel) | 唯一标识符代码(北电) |
| UIC | Utah Industrial Commission | 犹他州工业委员会 |
| UIC | Unified INFOSEC (Information Security) Criteria | 统一信息安全标准 |
| UIC | Umpire in Chief (baseball) | 首席裁判(棒球) |
| UIC | University of Illinois Chicago | 伊利诺大学芝加哥校区 |
| UIC | Umpire In Chief | 首席裁判 |
| UIC | Up in Canada (Canadian rock band) | 在加拿大(加拿大摇滚乐队) |
| UIC | User Interface Component (Microsoft) | 用户界面组件(Microsoft) |
| UIC | Use Initial Condition | 使用初始条件 |
| UIC | Union Internationale des Chemin | 国际化学联合会 |
| UIC | Unreferenced Interval Count | 未引用的间隔计数 |
| UIC | Universidad Intercontinental (MÉxico) | Universidad Intercontinental (MÉxico) |
| UIC | Union Internationale De Chemins | 国际化学联合会 |
| UIC | Unemployment Insurance Of Canada | 加拿大失业保险 |
| UIC | Unified INFOSEC Criteria | 统一的INFOSEC标准 |
| UIC | Universal Information Client | 通用信息客户端 |
| UIC | User Interface Compiler | 用户界面编译器 |
| UIC | Undergraduate Investment Club | 本科投资俱乐部 |