| CRRT | Cambodians for Resource Revenue Transparency 
| Others |
| CRRT | Caribbean Regional Response Team
| Others |
| CRRT | Certified Respiratory Therapy Technician
| Others |
| CRRT | Chemical-Biological-Radiological Rapid Response Team
| Others |
| CRRT | Classic Race and Rally Team
| Others |
| CRRT | Collision Repair and Refinish Technology
| Others |
| CRRT | Collision Repair Refinish Technology
| Others |
| CRRT | Commuter Rail Real Time
| Others |
| CRRT | Continuous Renal Replacement Techniques
| Others |
| CRRT | Continuous Renal Replacement Therapies
| Others |
| CRRT | Continuous Renal Replacement Therapy
| Others |
| CRRT | Cytomegalovirus Retinitis Retreatment Trial
| Others |