| R-process | R-proces |
| R-tree | R-drzewo |
| Ra | Re |
| Raaba | Raba |
| Raahe | Raahe |
| Raasdorf | Rasdorf |
| Rab | Rab |
| Rab concentration camp | Rab |
| Rabah Bitat Airport | Port lotniczy Annaba |
| Rabah Madjer | Rabah Madjer |
| Rabanus Maurus | Hraban Maur |
| Rabat | Rabat |
| rabbi | rabin |
| Rabbin | Rabin |
| rabbit | królik |
| rabbitfish | chimera |
| rabble | hołota |
| Rabbula | Rabbulas |
| Rabeprazole | Rabeprazol |
| Rabi | Rage |
| rabies | wścieklizna |
| Rabin-Karp string search algorithm | Algorytm Karpa-Rabina |
| Rabindranath Tagore | Rabindranath Tagore |
| Rabka-Zdrój | Rabka-Zdrój |
| Rabobank | Rabobank |
| raccoon | szop pracz |
| Raccoon butterflyfish | Ustnik lunula |
| Raccoon Dog | Jenot |
| Raccord | Presostat |
| race | bieg |
| Race and ethnicity in the United States Census | Rasa |
| Race and intelligence | Rasa a inteligencja |
| race relations | związki międzyrasowe |
| Race X | Race X |
| Race-murder | Ludobójstwo |
| Race-walking | Marchia |
| Racemic mixture | Mieszanina racemiczna |
| races | wyścigi |
| Races of The Elder Scrolls | Altmer |
| racetrack | tor |
| Racetrack Playa | Racetrack Playa |
| Racewalking | Chód sportowy |
| Rachael Leigh Cook | Rachael Leigh Cook |
| Rachael Yamagata | Rachael Yamagata |
| Rachel | Rachela |
| Rachel Bluwstein | Rachel Félix |
| Rachel Carson | Rachel Carson |
| Rachel Green | Rachel Green |
| Rachel Hurd-Wood | Rachel Hurd-Wood |
| Rachel McAdams | Rachel McAdams |
| Rachel Weisz | Rachel Weisz |
| racial | rasowy |
| Racial policy of Nazi Germany | Ustawy norymberskie |
| racial segregation | segregacja rasowa |
| Racibórz | Racibórz |
| Racibórz County | Powiat raciborski |
| Racing bicycle | Rower szosowy |
| Racing Club de Avellaneda | Racing Club de Avellaneda |
| Racing Club de Montevideo | Racing Montevideo |
| Racing Club Haïtien | Racing Port-au-Prince |
| Racing cycle | Rower szosowy |
| Racing de Santander | Racing Santander |
| Racing game | Komputerowe wyścigi |
| Racing Stripes | Zebra z klasą |
| racism | rasizm |
| racist | rasistowski |
| Raciąż | Raciąż |
| rack | wieszak |
