| Reuzenbekhaai | Kæmpemund |
| Reuzeninktvis | Kæmpeblæksprutte |
| Reuzenlevensboom | Kæmpe-Thuja |
| Reuzenmanta | Djævlerokke |
| Reuzennachtzwaluwen | Potuer |
| Reuzenpanda | Panda |
| reuzenrad | pariserhjul |
| Reuzenstern | Rovterne |
| Revda | Revda |
| revelatie | åbenbaring |
| revers | revers |
| Reverse Address Resolution Protocol | Reverse address resolution protocol |
| Reverse engineering | Reverse engineering |
| Reverse-transcriptase | Revers transkriptase |
| Reversi | Othello |
| revolte | oprør |
| revolutie | revolution |
| Revolutionaire Strijdkrachten van Colombia | FARC |
| revue | revy |
| Rex | Konge |
| Rexx | REXX |
| Reykjahlíð | Reykjahlíð |
| reykjavik | Reykjavik |
| Reynold | Python |
| Reëel getal | Reelle tal |
| RGB kleursysteem | RGB-farver |
| RGB-kleursysteem | RGB-farver |
| Rhabdomyolyse | Rhabdomyolyse |
| Rhea | Rhea |
| Rheiformes | Nandu |
| Rhein-Kreis Neuss | Neuss |
| Rheinbach | Rheinbach |
| RheinEnergieStadion | RheinEnergieStadion |
| Rhesusfactor | Rhesus |
| Rhincodontidae | Hvalhaj |
| Rhinoceros | Næsehorn |
| Rhinocerus | Næsehorn |
| Rhizobium | Knoldbakterie |
| Rhode Island | Rhode Island |
| Rhodes | Fender Rhodes |
| Rhodesië | Rhodesia |
| rhodium | rhodium |
| Rhododendron catawbiense | Catawba-Rododendron |
| Rhododendron luteum | Guld-Azalea |
| Rhododendron tomentosum | Mose-Post |
| Rhythm-and-blues | Rhythm and blues |
| Rhône | Rhône |
| Rhône-Alpes | Rhône-Alpes |
| Rhônevallei | Rhône |
| Rhön | Rhön |
| Riaad | Riyadh |
| rib | ribben |
| Ribe | Ribe Amt |
| Ribera | Bank |
| Ribes sanguineum | Blod-Ribs |
| Ribesfamilie | Ribs-slægten |
| ribfluweel | fløjl |
| Ribose | Ribose |
| Ribosomaal RNA | RRNA |
| Ribosomaal-RNA | RRNA |
| Ribosoom | Ribosom |
| Ricardo Alberto Silveira Carvalho | Ricardo Carvalho |
| Ricardo Lagos | Ricardo Lagos |
| Riccardo Riccò | Riccardo Riccò |
| Richard | Richard |
| Richard Adams | Richard Adams |
| Richard Branson | Richard Branson |
| Richard Buckminster Fuller | Buckminster Fuller |
| Richard Burton | Richard Burton |
| Richard Coudenhove-Kalergi | Richard Nikolaus Eijiro Graf Coudenhove-Kalergi |
| Richard Cromwell | Richard Cromwell |
| Richard Dawkins | Richard Dawkins |
| Richard Feynman | Richard Feynman |
| Richard Freiherr von Krafft-Ebing | Richard von Krafft-Ebing |
| Richard Gasquet | Richard Gasquet |
| Richard Gere | Richard Gere |
| Richard Hammond | Richard Hammond |
| Richard Harris | Richard Harris |
| Richard Nixon | Richard Nixon |
| Richard Rorty | Richard Rorty |
| Richard Scobee | Francis Richard Scobee |
| Richard Stone | Richard Stone |
| Richard Strauss | Richard Strauss |
| Richard von Krafft-Ebing | Richard von Krafft-Ebing |
| Richard Wagner | Richard Wagner |
| Richard Wright | Richard Wright |
| Richard zu Sayn-Wittgenstein-Berleburg | Prins Richard |
| richel | flange |
| Richmond | Richmond |
| Richmond upon Thames | Richmond |
| richten | rette |
| Richteren | Dommerbogen |
| Richtgetal | Ledetal |
| richting | retning |
| Ricine | Ricin |
| Ricinus | Ricinus |
| Rick Perry | Rick Perry |
| Rick Rubin | Rick Rubin |
| Rickenbacker | Adolf Rickenbacker |
| Rickshaw | Rickshaw |
| Ricky Martin | Ricky Martin |
| Ricotta | Ricotta |
| ridder | ridder |
| Ridder van Madara | Madararytteren |
| Ridderstand | Ridderskab |
| ridderstoet | kavalkade |
| Riddler | Sfinks |
| Ride the Lightning | Ride the Lightning |
| Ridley Scott | Ridley Scott |
| Riegel am Kaiserstuhl | Rigel |
