| Acronym | Definition |
|---|
| RRT | Real Rap Talk (online forum) |
| RRT | Registered Respiratory Therapist |
| RRT | Railroad Tracks (stocks) |
| RRT | Remove Restrictions Tool (software) |
| RRT | Rapid Response Team |
| RRT | Right Side (philately) |
| RRT | Renal Replacement Therapy |
| RRT | Rapid Relief Team (various organizations) |
| RRT | Rapid Relief Team (various locations) |
| RRT | Recommended Repair Tape |
| RRT | Regional Response Team |
| RRT | Refugee Review Tribunal (Australia) |
| RRT | Relative Retention Time |
| RRT | Rapid Release Technology (treatment for soft tissue problems) |
| RRT | Round Robin Tournament |
| RRT | Recommended Replacement Time (medical devices) |
| RRT | Radiological Response Team (US FEMA) |
| RRT | Rapidly-Exploring Random Tree (algorithm) |
| RRT | Rail Rapid Transit |
| RRT | Registered Radiologic Technologist |
| RRT | Round Robin Test |
| RRT | Rating Region Table |
| RRT | Canadian Journal of Respiratory Therapy |
| RRT | Rose RealTime (Rational Software) |
| RRT | Risk Reduction Test |
| RRT | Reading Resource Teacher (various schools) |
| RRT | Radio Reconnaissance Team (USMC) |
| RRT | Report Requirements Template |
| RRT | Requisite Remedial Technology |
| RRT | Rapid Retargeting (US Navy NAVSUP) |
| RRT | Rapid Reprogramming Terminal |
| RRT | Rendezvous Radar Transponder |
| RRT | Refractive Relativity Theory |
| RRT | Resource Rental Tax (Australia) |
| RRT | Reverse Recovery Time |
| RRT | Radar Range Tracking |
| RRT | Re-Calibrate Retry in Track-Seek Servo |
| RRT | Range Router Table |
| RRT | Réseau Régional de Télécommunications (French: Regional Telecommunications Network) |
| RRT | Reliability Run Test |
| RRT | Readiness Review Team |