| Acronym | Definition |
|---|
| MRCC | Mazda Radar Cruise Control |
| MRCC | Metastatic Renal Cell Carcinoma |
| MRCC | Maritime Rescue Coordination Centre |
| MRCC | Micro RC Center |
| MRCC | Missouri Rural Crisis Center |
| MRCC | Método Rápido de Clasificación en Catástrofes (Spanish: Fast Method of Classification in Catastrophes; medical care) |
| MRCC | Midwest Radical Culture Corridor (artist and activist coalition) |
| MRCC | Montana Raptor Conservation Center |
| MRCC | M & R Consultants Corporation (Burlington, MA) |
| MRCC | Movement Report Control Center |
| MRCC | Medical Regulating Control Center |
| MRCC | Multi-Rate Congestion Control (web multicast transmission protocol) |
| MRCC | Military Rape Crisis Center (Boston, MA; est. 2006) |