| Abbreviation | Definition |
|---|---|
| RIP | Resources Into Pixels |
| RIP | Router Information Protocol |
| RIPE | Race Integrity Primitives Evaluation |
| RIPS | Records Information Processing Center |
| RIT | Resource Information Technology |
| RITG | Romanian Informational Technology Group. |
| RJ | Registered Jack |
| RJE | Remote Job Entry |
| RJM | Remote Job Management |
| RJO | Remote Job Operations |
| RJO | Remote Job Output |
| RJRI5! | Restarting JRun in 5! |
| RK | Resource Kernel |
| RKB | Responsive Knowledge Base |
| RL | Relocatable Library |
| RLB | Rendered Latex Bitmap |
| RLC | Rebound Lockout And Compression |
| RLD | Relocation Dictionary |
| RLE | Run Length Encoded file |
| RLE | Run Length Encoding |