| CCR | Conradson Carbon Residue | - | Computer Acronyms(common) |
| CCR | Council For Chemical Research | - | Computer Acronyms(common) |
| CCR | Close-coupled Representation | - | Computer Acronyms(common) |
| CCR | Close-coupling R-matrix | - | Computer Acronyms(common) |
| CCR | Complex Coordinate Rotation (method For Calcns. Of Resonances In Scattering) | - | Computer Acronyms(common) |
| CCR | Conventional Controlled Rolling | - | Computer Acronyms(common) |
| CCR | Contractor Change Request | - | Organizations |
| CCR | Control Center Rack | - | Organizations |
| CCR | Center For Climatic Research (IES) | - | Scuba Diving |
| CCR | Closed Circuit Rebreather | - | SMS Chat and Text |
| CCR | Configuration Change Request | - | Business and Finance |
| CCR | Climate Change Research | - | Business and Finance |
| CCR | Commitment | - | Business and Finance |
| CCR | California Code Of Regulations | - | Business and Finance |
| CCR | Central Contractor Registration
| - | Human Genome |
