| Rožaje | Rožaje |
| Rožňava | Rožňava |
| Rožňava District | Okres Rožňava |
| RP | Rzeczpospolita |
| RPG | Role Playing Games |
| RPM Package Manager | RPM Package Manager |
| RPV | Remotely Piloted Vehicle |
| RR | Kolejová doprava |
| RR Lyrae variable | Hvězdy typu RR Lyrae |
| rRLpb | HSkmDc |
| Rrose Sélavy | Marcel Duchamp |
| RRR | regenerace odpadových zdrojů |
| RrUdCmlE | uiGNohFCMelXwcaJqdj |
| RS | RS |
| RSA | RSA |
| RSLP | Rocket System Launch Program |
| RSN | Real Soon Now |
| RSPCA-The Royal Society for the Prevention of Cruelty to Animals | Královská společnost na ochranu zvířat |
| RSS | RSS |
| RST | reset |
| rsvp | odpovězte prosím |
| RT | Real Time |
| RTFI | Read The F---ing Instructions |
| RTFM | přečti si ten proklatý manuál |
| RTFMS | Read The F---ing Manual |
| RTFQ | Read The F---ing Question |
| RTFS | Read The F---ing Source |
| RTI | Real Time Interruption |
| RTIC | Real-Time Information in the Cockpit |
| RTL Group | RTL Group |
| RTL Television | RTL Television |
| RTL Televizija | RTL Television |
| RTOC | Real-Time Information out of the Cockpit |
| RTS | Read The Screen |
| RTSMP | Real-Time Symmetric Multiprocessor |
| Ru | RU |
| Rua | Silnice |
| RUAG Ranger | Program Ranger |
| Ruanda | Rwanda |
| rub | vyčistit |
| rub down | osmirkovat |
| rub elbows | pracovat vedle někoho |
| rub it in | rozmazávat |
| rub off | obrousit |
| rub out | setřít |
| rub salt in the wound | vnášet sůl do ran |
| rub shoulders with | pracovat s někým |
| rub the wrong way | otravovat |
| rub up | obnovit |
| Rubarb | Reveň |
| rubato | rubato |
| rubbed | třel |
| rubber | kondom |
| rubber band | gumička |
| rubber stamp | razítko |
| rubber tree | gumovník |
| rubberize | pogumovat |
| rubberlike | gumovitý |
| rubberneck | zvědavec |
| rubbers | gumy |
| rubberstamp | razítko |
| rubbertipped | s gumou na konci |
| rubbery | elastický |
| rubbing | dření |
| rubbish | nesmysl |
| rubbish dump | smetiště |
| rubbished | kritizovaný |
| rubbishy | mizerný |
| Rubbishy film | Brukev řepák |
| rubble | štěrk |
| rube | vidlák |
| rubella | zarděnky |
| Ruben | Ruben |
| Rubens | Rubens |
| Rubens Barrichello | Rubens Barrichello |
| rubeola | zarděnky |
| Rubeus Hagrid | Rubeus Hagrid |
