| Rowan Atkinson | Rowan Atkinson |
| Rowan Williams | Rowan Williams |
| Rowland Hill | Rowland Hill |
| Roxana | Roxane |
| Roxas | Roxas City |
| Roxburgo | Roxburgh |
| Roxelana | Roxelane |
| Roy Emerson | Roy Emerson |
| Roy Keane | Roy Keane |
| Roy Lichtenstein | Roy Lichtenstein |
| Roy Makaay | Roy Makaay |
| Roy Orbison | Roy Orbison |
| Roy Scheider | Roy Scheider |
| Roy Tarpley | Roy Tarpley |
| Roy Urquhart | Robert Urquhart |
| roya | Rost |
| royal | Backpulver |
| Royal Academy | Royal Academy of Arts |
| Royal Academy of Music | Royal Academy of Music |
| Royal Air Force | Royal Air Force |
| Royal Albert Hall | Royal Albert Hall |
| Royal Antwerp FC | Royal Antwerpen FC |
| Royal Ascot | Ascot |
| Royal Astronomical Society | Royal Astronomical Society |
| Royal Bank of Canada | Royal Bank of Canada |
| Royal Botanical Garden Edinburgh | Royal Botanic Garden Edinburgh |
| Royal Dutch Shell | Royal Dutch Shell |
| Royal Horticultural Society | Royal Horticultural Society |
| Royal Jordanian | Royal Jordanian |
| Royal Opera House | Royal Opera House |
| Royal Pavilion | Royal Pavilion |
| Royal Rife | Royal Rife |
| Royal Rumble | Royal Rumble |
| Royal Society | Royal Society |
| Royal Society for the Protection of Birds | Royal Society for the Protection of Birds |
| Royal Sporting Club Anderlecht | RSC Anderlecht |
| Royston Drenthe | Royston Drenthe |
| Roystonea regia | Königspalme |
| rozagante | rötlich |
| rozamiento | Reibung |
| rozar | rasch gleiten über |
| Roßwein | Roßwein |
| roña | Krätze |
| Roños | Mittelwert |
| roñosa | räudig |
| roñoso | Geizhals |
| RPC | Remote Procedure Call |
| RPM | Rpm |
| RPM Package Manager | RPM Package Manager |
| RRDtool | RRDtool |
| RSA | RSA-Kryptosystem |
| RSA Security | RSA Security |
| Rsh | Remote Shell |
| RSS | RSS |
| RSS de Bielorrusia | Weißrussische SSR |
| RSS de Moldavia | Moldauische SSR |
| RSVP | RSVP |
| RTD | Widerstandsthermometer |
| RTECS | Registry of Toxic Effects of Chemical Substances |
| RTFM | Read The Fucking Manual |
| RTL | Widerstands-Transistor-Logik |
| RTSP | Real-Time Streaming Protocol |
| Ruanda | Ruanda |
