| Real Time Strategy | Strategiczna gra czasu rzeczywistego |
| Real Time Streaming Protocol | Real Time Streaming Protocol |
| Real union | Unia realna |
| Real Unión | Real Unión Irún |
| Real Valladolid | Real Valladolid |
| Real Zaragoza | Real Saragossa |
| Real-time computing | System czasu rzeczywistego |
| Real-time operating system | System operacyjny czasu rzeczywistego |
| Real-time polymerase chain reaction | Real time PCR |
| Real-time strategy | Strategiczna gra czasu rzeczywistego |
| Real-time Transport Protocol | Real-time Transport Protocol |
| Realistic politics | Realpolitik |
| realistically | realistycznie |
| reality | rzeczywistość |
| Reality Pump Studios | Reality Pump Studios |
| Reality television | Reality show |
| realization | świadomość |
| realize | myśleć |
| really | naprawdę |
| RealNetworks | RealNetworks |
| RealPlayer | RealPlayer |
| Realtor | Broker |
| Realtors | Broker |
| RealVideo | RealVideo |
| reaper | żniwiarz |
| Reaper Man | Kosiarz |
| reaping hook | sierp |
| Rearrangement inequality | Nierówność o ciągach jednomonotonicznych |
| rearview mirror | lusterko wsteczne |
| reason | motyw |
| Reason of State | Racja stanu |
| Reason of the Polish Left | RACJA Polskiej Lewicy |
| reasonable | rozsądny |
| reasonableness | rozsądne rozumowanie |
| Reasoning from the Scriptures | Prowadzenie rozmów na podstawie Pism |
| reata | lasso |
| rebate | rabat |
| Rebbe | Rabin |
| Rebec | Rebec |
| Rebecca | Rebeka |
| Rebecca De Mornay | Rebecca De Mornay |
| Rebecca Latimer Felton | Rebecca Latimer Felton |
| Rebecca Liljebrg | Rebecka Liljeberg |
| Rebecca Romijn | Rebecca Romijn |
| Rebecka Liljeberg | Rebecka Liljeberg |
| Rebekah | Rebeka |
| Rebel Alliance | Sojusz Rebeliantów |
| Rebel Without a Cause | Buntownik bez powodu |
| Rebelde | Rebelde Way |
| Rebelde Way | Rebelde Way |
| rebellion | bunt |
| rebellious | rebeliancki |
| Rebirthing-Breathwork | Rebirthing |
| REBOL | REBOL |
| Rebranding | Rebranding |
| Rebreather | Rebreather |
| rebuke | napomnienie |
| Rebutia | Rebucja |
| recalcitrance | opór |
| recall | wspominać |
| Recanati | Recanati |
| Recapitulation theory | Teoria rekapitulacji |
| ReCAPTCHA | ReCAPTCHA |
| Reccared I | Rekkared I |
| Recce aircraft | Samolot rozpoznawczy |
| Reccesuinth | Recceswint |
| receipt | paragon |
| receive | otrzymywać |
| Received Signal Strength Indication | Received Signal Strength Indication |
| receiver | słuchawka |
| recent | świeży |
| recently | niedawno |
| Recep Tayyip Erdoğan | Recep Tayyip Erdoğan |
| reception | przyjęcie |
