| Abbreviation | Definition |
|---|---|
| RFC | Remote Function Call |
| RFDI | Royalty Free Digital Imaging |
| RFF | Required Form Feed |
| RFH | Request For Help |
| RFI | Resource File Index |
| RFIO | Remote File Input Output |
| RFN | Read Free News |
| RFO | Reason For Outage |
| RFP | Request For Processing |
| RFQ | Request For Quote |
| RFS | Remote File System |
| RFS | Rename Files Sequentially |
| RG | Regression Graphics |
| RGB | Raster Gif Bitmap |
| RGBB | Receiver General Buy Button |
| RGH | Raleigh General Hospital |
| RGI | Reeder Graphics, Inc. |
| RGI | Registrar General of India |
| RGL | Ramalho G.711 Lossless Compression |
| RGP | Regional General Permits |