| Abbreviation | Definition |
|---|---|
| RRT | Rate Revision Tool |
| RRT | Real Rap Talk |
| RRT | Reference Rendering Transform |
| RRT | Registered Respiratory Therapists |
| RRT | Relative Residence Time |
| RRT | Relative Retention Time |
| RRT | Remove Restrictions Tool |
| RRT | Rescue Referral and Transport |
| RRT | Resource Recovery Technologies |
| RRT | Road Rally and Track |
| RRT | Roads Rivers and Trails |
| RRT | Robidoux Resident Theatre |
| RRT | Rollover Rates Tool |
| RRTC | Red River Technology Center |
| RRTC | Rehabilitation Research and Training Centers |
| RRTD | Record Retention Trigger Date |
| RRTD | Relative Relaxation Time Difference |
| RRTD | Remote Real Time Description |
| RRTD | Rockin Road to Dublin |
| RRTE | Reference Run Time Environment |