| Abbreviation | Definition |
|---|---|
| RRSB | Ravi Raja Sheri Baja |
| RRSB | Restricted repetitive and stereotyped behaviors |
| RRSB | Rosin Rammler Sperling Bennet |
| RRSE | Relative Risk Site Evaluation |
| RRSE | Root Relative Squared Error |
| RRSOM | Rock And Roll State Of Mind |
| RRSP | Recommended Retail Selling Price |
| RRSP | Registered Retirement Savings Plans |
| RRSP | Risk and Revenue Sharing Partner |
| RRSS | Rear Rear Scissor Stop |
| RRSS | Repeated Rational Secret Sharing |
| RRSS | Revolute Revolute Spherical Spherical |
| RRT | R R T |
| RRT | Radeon Registry Tool |
| RRT | Radio Reconnaissance Technologies |
| RRT | Raider |
| RRT | Raider Regional Transit |
| RRT | Rapid Release Therapy |
| RRT | Rapid Relief Team |
| RRT | Rapid Response Teams |