| Abbreviation | Definition |
|---|---|
| RCL | Robocup Command Log |
| RCP | Region Code Protected |
| RCP | Remote Communication Processor |
| RCP | Run Control Parameter |
| RCS | Revision Control System |
| RCT | Replacement Caching Table |
| RCU | Read Copy Update |
| RCV | Recovery Process |
| RD | Real Date |
| RD | Removable Disk |
| RD | Rotate Degrees |
| RDA | Remote Data Access |
| RDB | Rigid Disk Block |
| RDC | Release Deployment Change |
| RDDL | Resource Directory Description Language |
| RDF | Resource Description Framework |
| RDF | Rich Document Field |
| RDFS | RDF Schema |
| RDL | Rule Description Language |
| RDL/TT | Rule Description Language for Tree Transformation |