| Acronym | Definition |
|---|
| MUC | Mount Union College (Ohio) |
| MUC | Message Understanding Conference |
| MUC | Multi User Chat |
| MUC | Chief Musician (Naval Rating) |
| MUC | Microsoft Unified Communications |
| MUC | Mixed Use Commercial (zoning) |
| MUC | Mans Union Club (France) |
| MUC | Malaspina University College (Canada) |
| MUC | Maximum Use Concentration (US OSHA; Respiratory Protection) |
| MUC | Montreal Urban Community |
| MUC | Molde University College (Norway) |
| MUC | Multi-Utility Controller (smart meters) |
| MUC | Multi User Conference |
| MUC | Munich, Germany - Franz Josef Strauss (Airport Code) |
| MUC | Medically Underserved Community (US HRSA) |
| MUC | Marginal User Cost (resource economics) |
| MUC | Muslim Ulama Council (Iraq) |
| MUC | Miami Unix Collective |
| MUC | Molecularly-Uncharacterized Component |
| MUC | Method of Undetermined Coefficients (differential equations) |
| MUC | Maintenance Use Code |
| MUC | Mark-Up Cancellation |
| MUC | Meritorious Unit Citation/Commendation |
| MUC | Multicast User Context |
| MUC | Million of Unified Canes |
| MUC | Multi-Unit Container |