| | RYL | | Read You Later |
| | *rofl* | | rolling on the floor laughing |
| | Arbiter | | referee |
| | B&M | | retail store |
| | CCCP | | Russian initialism for former U.S.S.R.(cyrillic) |
| | cv | | resume |
| | DVDR | | Recordable Digital Video Disc |
| | f**k | | roll in the hay |
| | HAK | | right |
| | ICOM | | resources |
| | KGB | | Russian secret police |
| | LAX | | relax |
| | QVGA | | represents 320x240 |
| | R&D | | research and development |
| | R&P | | Rape and Pillage |
| | R.E.D. | | Random Early Detection |
| | R.E.M.F. | | Rear Echelon Mother f**ker |
| | R.F.R | | Really f**king Rich |
| | R.S.V.P. | | Respond after receiving |
| | R.T.C. | | real time clock |
| | R.Y.G.B. | | Red, Yellow, Green, Black |
| | R.Y.G.B. | | Roux-en-Y gastric bypass |
| | R/W | | Read/Write |
| | RAB | | Random Access Backup |
| | RADAR | | Radio Detection And Ranging |
| | raebnc | | read and enjoy, but no comment |
| | raebnc | | read and enjoyed, but no comment |
| | RAEW | | Responsibility, Authority, Expertise and Work |
| | RAF | | Royal Air Force |
| | RAFO | | Research & Find Out |
|