| raz-de-marée | onda gigantesca |
| Razgrad | Razgrad |
| Raziel | Raziel |
| Razorlight | Razorlight |
| Razzie Awards | Framboesa de Ouro |
| Raí | Raí Souza Vieira de Oliveira |
| Raï | Raï |
| Raúl | Raúl González Blanco |
| Raúl Alfonsín | Raúl Alfonsín |
| Raúl Bravo | Raúl Bravo Sanfélix |
| Raúl Castro | Raúl Castro |
| Raúl García Escudero | Raúl García Escudero |
| Raúl Juliá | Raúl Juliá |
| Raúl Prebisch | Raúl Prebisch |
| Raška | Raška |
| RBMK | RBMK |
| RC Cola | RC Cola |
| RCD Majorque | Real Club Deportivo Mallorca |
| RCP | ressuscitação cardiopulmonar |
| RCR | ressuscitação cardiopulmonar |
| RDA | República Democrática Alemã |
| RDRAM | Rambus |
| RDX | RDX |
| Re-Invention Tour | The Re-Invention Tour |
| Rea | Rea |
| Reaction en chaine | Reaccao em cadeia |
| Reactor | Reactor |
| Read or die | Read Or Die |
| Reading | Reading |
| Reading and Leeds Festivals | Festivais de Reading e Leeds |
| Reading Football Club | Reading FC |
| Ready | Ready |
| Ready-made | Ready made |
| ReadyBoost | Readyboost |
| Real Academia de Bellas Artes de San Fernando | Real Academia de Belas-Artes de São Fernando |
| Real Academia Galega | Real Academia Galega |
| Real Betis Balompié | Real Betis Balompié |
| Real Betis Séville | Real Betis Balompié |
| Real Madrid | Real Madrid Club de Fútbol |
| Real Murcie | Real Murcia Club de Fútbol |
| Real Oviedo | Real Oviedo |
| Real Potosi | Club Bamin Real Potosí |
| Real Saragosse | Real Zaragoza |
| Real Sociedad | Real Sociedad de Fútbol |
| Real Sporting de Gijón | Real Sporting de Gijón |
| Real Time Streaming Protocol | RTSP |
| Real Valladolid | Real Valladolid |
| Real-Time Control Protocol | RTCP |
| Real-time transport protocol | Real-time Transport Protocol |
| Realisme | Pintura do realismo |
| realité | realidade |
| realité virtuelle | realidade virtual |
| Really Simple Syndication | RSS |
| Realp | Realp |
| RealPlayer | RealPlayer |
| rebattu | gasto |
| Rebecca | Rebeca |
| Rebecca De Mornay | Rebecca De Mornay |
| Rebecca Liljeberg | Rebecka Liljeberg |
| Rebecca Romijn-Stamos | Rebecca Romijn |
| Rebecca West | Rebecca West |
| Rebecq | Rebecq |
| Rebekah | Rebeca |
| Rebelde Way | Rebelde Way |
| rebelle | agressivo |
| rebobiner | rebobinar |
| reboisement | florestação local |
| reboiser | arborizar |
| rebond | ricochete |
| rebondir | ricochetear |
| rebondissant | robusto |
| rebord | saliência |
| rebord de fenêtre | soleira |
| Reborn | Renascimento |
| Rebstein | Rebstein |
| Rebus | Resíduo |
| rebut | ralé |
| rebutant | repulsivo |
