| ISIC | International Standard Industrial Classification | 国际标准产业分类 |
| ISIC | Immediate Superior In Command | 直接上级指挥 |
| ISIC | Immediate Supervisor in Charge | 直接主管 |
| ISIC | Information Storage Industry Center | 信息存储产业中心 |
| ISIC | International Standard Industry Code | 国际标准行业规范 |
| ISIC | International Symposium on Intelligent Control (IEEE) | 智能控制国际研讨会（IEEE） |
| ISIC | International Student Identification Card | 国际学生身份证 |
| ISIC | Intelligent Sensor Interface and Control | 智能传感器接口和控制 |
| ISIC | IEEE International Symposium on Intelligent Control | IEEE智能控制国际研讨会 |
| ISIC | Iterative Soft Interference Cancellation | 迭代软干扰消除 |
| ISIC | International Student Identity Card | 国际学生身份证 |