| Abbreviation | Definition |
|---|---|
| RPDL | Renesas Peripheral Driver Library |
| RPL | Rapides Parish Library |
| RPL | Richmond Public Library |
| RPL | Rochester Public Library |
| RPL | Rockford Public Library |
| RPN | Registered Practical Nurse |
| RPT | Reprint |
| RQ | Research Question |
| RR | Rarum Rarisimus |
| RRL | Rainfall Runoff Library |
| RRL | Riverina Regional Library |
| RSCL | Remote Sensing Code Library |
| RSCL | Research Service Class Library |
| RSDP | Royal Society Dale Papers |
| RSL | Russian State Library |
| RSML | Republican Scientific Medical Library |
| RSNB | Rivista di studi bizantini e neoellenici |
| RSPL | Republican Scientific Pedagogical Library |
| RSSL | Reference Standard Sequence Library |
| RSSL | Reuters Sink Source Library |