| Retiniphyllum maguirei | Retiniphyllum parvifolium | Retiniphyllum pauciflorum |
| Retiniphyllum pilosum | Retiniphyllum scabrum | Retiniphyllum schomburgkii |
| Retiniphyllum secundiflorum | Retiniphyllum speciosum | Retiniphyllum tepuiense |
| Retiniphyllum truncatum | Retinispora glauca | Retinispora japonica |
| Retinoberotha stuermeri | Retinodendron | Retipenna burmana |
| Retipenna callioptera | Retipenna chaoi | Retipenna chione |
| Retipenna dasyphlebia | Retipenna diana | Retipenna grahami |
| Retipenna guangdongana | Retipenna hasegawai | Retipenna huai |
| Retipenna inordinata | Retipenna maculosa | Retipenna notata |
| Retipenna sichuanica | Retipenna variegata | Retiro |
| Retiro crinitus | Retiro fulvipes | Retiro granadensis |
| Retiro gratus | Retiro lanceolatus | Retiro maculatus |
| Retiro nigronotatus | Retiro plagiatus | Retiro procerulus |
| Retiro quitensis | Retiro rhombifer | Retiro roberti |
| Retirolândia | Retiskenea diploura | Retispatha dumetosa |
| Retizafra | Retizafra decussata | Retizafra fasciata |
| Retjons | Retno Marsudi | Retonfey |
| Retorbido | Retortillo | Retortillo de Soria |
| Retournac | Retreat, Texas | Retro |
| Retroculinae | Retroculus | Retroculus lapidifer |
| Retrophyllum comptonii | Retrophyllum minus | Retrophyllum piresii |
| Retrophyllum rospigliosii | Retrophyllum vitiense | Retropinnidae |
| Retrovirus | Retschow | Retschwiller |
| RETScreen | Rettel | Rettenbach am Auerberg |
| Rettenbach, Cham | Rettenbach, Günzburg | Rettenberg |
| Rettenegg | Retterath | Rettersen |
| Rettershain | Rettert | Retuerta |
| Retuerta del Bullaque | Return of Sabata | Return of the Jedi |
| Return to House on Haunted Hill | Retusia | Rety |
| Retzau | Retzbach | Retznei |
| Retzow | Retzwiller | Reußenköge |
| Reudelsterz | Reuden | Reugney |
| Reugny, Allier | Reugny, Indre-et-Loire | Reuil |
| Reuil-en-Brie | Reuil-sur-Brêche | Reuilly, Eure |
| Reuilly, Indre | Reuilly-Sauvigny | Reulle-Vergy |
| Reumont | Reunion | Reunionorhynchites viridissimus |
| Reunited Worlds | Reupzig | Reurieth |
| Reus | Reusel-De Mierden | Reut |
| Reutealis | Reutealis trisperma | Reutenbourg |
| Reuters | Reuth bei Erbendorf | Reuth, Vogtland |
| Reuth, Vulkaneifel | Reutigen | Reutlingen |
| Reutlingen (huyện) | Reutov | Reutte (huyện) |
| Reuven Rivlin | Reuves | Reuville |
| Reux | Revò | Revda |
| Revealed Recordings | Revel (Haute-Garonne) | Revel, Haute-Garonne |
| Revel, Isère | Revel-Tourdan | Revelganj |
| Revelieria genei | Revelles | Revellinos |
| Revello | Revenga de Campos | Revenge (lớp thiết giáp hạm) |
| Revens | Reventin-Vaugris | Revercourt |
| Reverdinia | Reverdinus | Revere |
| Revere, Massachusetts | Revere, Minnesota | Reverse Address Resolution Protocol |
| Reverse Polish notation | Reverse proxy | Reversi |
| Reversopelma | Reversopelma petersi | Revertuncaria |
| Revest-des-Brousses | Revest-du-Bion | Revest-les-Roches |
| Revest-Saint-Martin | Reviers | Reviga |
| Revigliasco d'Asti | Revigny | Revigny-sur-Ornain |
| Revilla de Collazos | Revilla del Campo | Revilla Vallejera |
| Revillarruz | Revin | Revin (tổng) |
| Revine Lago | Revival (album của Selena Gomez) | Revival (album) |
| Revival Tour | Revlon | Revnak, Bozüyük |
| Revolution (bài hát) | Revolution 9 | Revolver |
| Revolver (định hướng) | Revolver (bài hát) | Revonnas |
| Revueltoraptor | Revueltosaurus | Revwattsia fragilis |
| Rewa | Rewa (huyện) | Rewa (tỉnh) |
| Rewa F.C. | Rewari | Rewari (huyện) |
| Rewari (Rural) | Rewey, Wisconsin | Rewrite |
| Rewrite (visual novel) | Rewrite engine | Rewrite Harvest festa! |
| Rewrite URL | Rex - Chú chó thám tử | Rex Tillerson |
| Rexa lordina | Rexa raddai | Rexburg, Idaho |
| Rexford, Kansas | Rexine, Quận Kidder, Bắc Dakota | Rexingen, Bas-Rhin |
| Rexpoëde | Rey (Chiến tranh giữa các vì sao) | Rey (Star Wars) |
| Rey Mysterio | Rey Valera | Reyemia nemesioides |
| Reyero | Reyersviller | Reyes Etla |
| Reyesia cactorum | Reyesia chilensis | Reyesia juniperoides |
| Reyesia parviflora | Reygade | Reyhanlı |
| Reyhanlı, Onikişubat | Reykjavík | Reykjavik |
| Reymondia horei | Reymondia minor | Reymondia pyramidalis |
| Reymondia tanganyicensis | Reynaudia | Reynaudia filiformis |
| Reynès | Reynel | Reyniès |
| Reynir Sandgerði | Reyno, Arkansas | Reynolds, Illinois |
| Reynolds, Quận Lee, Illinois | Reynoldsburg, Ohio | Reynoldsia |
| Reynoldsia grayana | Reynoldsia lanutoensis | Reynoldsia marchionensis |
| Reynoldsia pleiosperma | Reynoldsia sandwicensis | Reynoldsia tahitensis |
| Reynoldsia tauensis | Reynoldsia verrucosa | Reynoldsiella |
| Reynoldsiella parallela | Reynoldsville, Pennsylvania | Reynosa |
| Reynoutria japonica | Reynoutria spaethii | Reynoutria weyrichii |
| Reyrevignes | Reyrieux | Reyrieux (tổng) |
| Reyssouze | Reyvroz | Reza Pahlavi của Iran |
| Reza Shah | Reza Shah Pahlavi | Rezay |
| Rezé | Rezh | Rezhevsky (huyện) |
| Rezi | Rezmondo | Reznos |
| Rezonville | Rezza | Rezzago |
| Rezzato | Rezzo | Rezzoaglio |
| RF-101 | RF-101 Voodoo | RF-61 Reporter |
| RF-61C Reporter | RF-84F Thunderflash | RF-86 Sabre |
| RF-9 Cougar | RFA | RFC |
| RFC (định hướng) | RFE/RL | RFEF |
| RFI | RFID | RFK |
| RFLP | RG Veda | RG-42 |
| RG-6 | RGB | RGD-33 |
