| roupa íntima | lingerie |
| roupão | peignoir de bain |
| rouquidão | ton bourru |
| Roure | Roure |
| Rousseau | Rousseau |
| Rousset | Le Rousset |
| Roussière | La Roussière |
| Routing Information Protocol | Routing information protocol |
| rouxinol | rossignol |
| Rouyn-Noranda | Rouyn-Noranda |
| ROV | ROV |
| Rovaniemi | Rovaniemi |
| Rover lunar | Rover lunaire |
| Roverandom | Roverandom |
| Roveredo | Roveredo |
| Rovigo | Rovigo |
| Rovinj | Rovinj |
| Rovio | Rovio |
| Rovray | Rovray |
| Rowan Atkinson | Rowan Atkinson |
| Rowan Douglas Williams | Rowan Williams |
| Rowena Ravenclaw | Helga Poufsouffle |
| Rowland Heights | Rowland Heights |
| Roxana | Roxane |
| roxo | bleu |
| Roy Campbell | Roy Campbell |
| Roy Keane | Roy Keane |
| Roy Lichtenstein | Roy Lichtenstein |
| Roy Makaay | Roy Makaay |
| Roy Oliver Disney | Roy Oliver Disney |
| Roy Orbison | Roy Orbison |
| Roy Scheider | Roy Scheider |
| Royal Air Force | Royal Air Force |
| Royal Albert Hall | Royal Albert Hall |
| Royal Bafokeng Stadium | Royal Bafokeng Stadium |
| Royal Ballet | Royal Ballet |
| Royal Bank of Scotland | Royal Bank of Scotland |
| Royal Botanic Gardens | Jardins botaniques royaux de Kew |
| Royal Brunei | Royal Brunei Airlines |
| Royal Caribbean International | Royal Caribbean Cruise Line |
| Royal Dutch Shell | Shell |
| royal flush | quinte flush royale |
| Royal Jordanian | Royal Jordanian |
| Royal Oak | Royal Oak |
| Royal Pavilion | Brighton Pavilion |
| Royal Philharmonic Orchestra | Orchestre philharmonique royal |
| Royal Rumble | Royal Rumble |
| Royal Society | Royal Society |
| Royat | Royat |
| Roystonea | Roystonea |
| Rozel | Le Rozel |
| roça | campagne |
| roçar | frotter |
| Rožaje | Rožaje |
| RPG | jeu de rôle |
| RPM | RPM Package Manager |
| RRDTool | RRDTool |
| rRNA | ARNr |
| RRR | Réserves obligatoires |
| RSA | Rivest Shamir Adleman |
| RSHA | Reichssicherheitshauptamt |
| RSS | RSS |
| RSS da Bielorrússia | Rss biélorusse |
| RSSF | Réseau de capteurs sans-fil |
| RSVP | RSVP |
| RTCP | Real-Time Control Protocol |
| RTOS | Système temps réel |
| RTSP | Real Time Streaming Protocol |
| RTTI | Run-time type information |
| rua | route |
| rua de mão dupla | rue à double sens |
| rua preferencial | rue principale |
| rua principal | rue principale |
