| Abbreviation | Definition |
|---|---|
| RCP | Recycled-Content Product |
| RCP | Remote Copy Protocol |
| RCPP | Reinforced Concrete Pressure Pipe |
| RCRC | Reflective Composition for Rays Concentration |
| RCV | Rotary Cylinder Valve |
| RCV | Rotating Cylinder Valve |
| RD | Rating Difference |
| RDB | RediStart Digital with integral Bypass |
| RDC | Resonance Dampening Compound |
| RDD | Requirements Description Document |
| RDIT | Random Domain Intercept Technology |
| RDP | Rider Developed Products |
| RDRAM | Rambus Dynamic Random Access Memory |
| RDRAM | Rambus Dynamic Random Access Memory (Rambus) |
| RDS | Random Drift System |
| RDS | Rotary Drive System |
| RE | Room Essentials |
| RECOPRICE | Recommended Price |
| REEV | Range Extended Electric Vehicle |
| REGB | Rustic Elevated Garden Bed |