| Acronym | Definition |
|---|
| RMCC | Ready Mix Concrete Company (various locations) |
| RMCC | Roger Maris Cancer Center (Sanford Health; Fargo, ND) |
| RMCC | Royal Military College of Canada |
| RMCC | Rich Mountain Community College (Mena, Arkansas) |
| RMCC | Rocky Mountain Cat Conservancy (Fort Collins, CO) |
| RMCC | Royal Marsden Cancer Campaign (UK) |
| RMCC | Red Mountain Christian Center (Mesa, AZ) |
| RMCC | Red Mountain Community Church (Mesa, AZ) |
| RMCC | Readiness and Movement Coordination Center |
| RMCC | Ridley Mission Control Center |
| RMCC | Reiterative Median Cascaded Canceller |
| RMCC | Ronald McDonald's Children's Charity |
| RMCC | Risk Management Control Center |
| RMCC | Rack Mount Command Console |
| RMCC | Rugby Methodist Church Centre (UK; est. 1984) |