| Acronym | Definition |
|---|
| IUC | Intrauterine Contraception |
| IUC | Information Unit for Conventions |
| IUC | International University Cooperation (UNESCO) |
| IUC | Industrial Union Council (American Federation of Labor-Congress of Industrial Organizations) |
| IUC | Interview Under Caution |
| IUC | Interval Usage Code (DOCSIS) |
| IUC | Inter-University Conference (various schools) |
| IUC | Iuris Utriusque Candidatus (Latin: Right of Each Candidate; law) |
| IUC | Interconnect User Charge |
| IUC | Immediate Unit Commander |
| IUC | Initial Unemployment Claims (economics) |
| IUC | Initial User Capability |
| IUC | International Underwater Contractors, Inc. |
| IUC | Independent User Center |
| IUC | Intelligent and Ubiquitous Computing |
| IUC | Interface Unit Comparator |