| IUC | Interconnect User Charge | 互联用户费用 |
| IUC | Interval Usage Code (DOCSIS) | 间隔使用代码（DOCSIS） |
| IUC | Intelligent and Ubiquitous Computing | 智能和普适计算 |
| IUC | Independent User Center | 独立用户中心 |
| IUC | Intrauterine Contraception | 宫内避孕 |
| IUC | Information Unit for Conventions | 公约信息股 |
| IUC | Interface Unit Comparator | 接口单元比较器 |
| IUC | International Underwater Contractors, Inc. | 国际水下承包商公司。 |
| IUC | Initial User Capability | 初始用户能力 |
| IUC | Interview Under Caution | 谨慎面试 |
| IUC | Immediate Unit Commander | 部队直接指挥官 |
| IUC | indwelling urethral catheterization | 留置导尿 |
| IUC | idiopathic ulcerative colitis | 特发性溃疡性结肠炎 |
| IUC | Indwelling Urethral Catheter | 留置尿道导管 |
| IUC | Interconnect Usage Charge | 互连使用费 |