| Rwandan Cup | Coupe du Rwanda de football |
| Rwandan Defence Forces | Forces rwandaises de défense |
| Rwandan franc | Franc rwandais |
| Rwandan Genocide | Génocide au Rwanda |
| Rwandan Patriotic Front | Front patriotique rwandais |
| RWE | RWE |
| RWTH Aachen | Université technique de Rhénanie-Westphalie à Aix-la-Chapelle |
| Rx | RX |
| Rxart | Rxart |
| RY | Ry |
| Ry Cooder | Ry Cooder |
| Ryan Babel | Ryan Babel |
| Ryan Flynn | Ryan Flynn |
| Ryan Giggs | Ryan Giggs |
| Ryan Gosling | Ryan Gosling |
| Ryan Hollweg | Ryan Hollweg |
| Ryan Malone | Ryan Malone |
| Ryan Miller | Ryan Miller |
| Ryan Peake | Rayan Peake |
| Ryan Phillippe | Ryan Phillippe |
| Ryan Reynolds | Ryan Reynolds |
| Ryan Ross | Ryan Ross |
| Ryan Shay | Ryan Shay |
| Ryan Smyth | Ryan Smyth |
| Ryan Whitney | Ryan Whitney |
| Ryanair | Ryanair |
| Ryanodine | Ryanodine |
| Ryazan | Riazan |
| Ryazan Oblast | Oblast de Riazan |
| Rybczynski theorem | Théorème de Rybczynski |
| Rybinsk | Rybinsk |
| Rybinsk Reservoir | Réservoir de Rybinsk |
| Rybnik | Rybnik |
| Rychwał | Rychwał |
| Rydberg atom | Atome de Rydberg |
| Rydberg constant | Constante de Rydberg |
| Rydberg formula | Formule de Rydberg |
| Ryder Cup | Ryder Cup |
| Rydułtowy | Rydułtowy |
| rye | seigle |
| Rye House Plot | Complot de Rye-House |
| Rye-bread | Pain de seigle |
| rye-grassy | ivraie |
| ryegrass | ivraie |
| Ryerson University | Université Ryerson |
| Rykodisc | Rykodisc |
| Rylsk | Rylsk |
| Rymättylä | Rymättylä |
| Ryo Kawasaki | Ryō Kawasaki |
| Ryo Nishikido | Nishikido Ryo |
| Ryo Owatari | Ryō Ōwatari |
| Ryoichi Ikegami | Ryōichi Ikegami |
| Ryoji Kaji | Ryōji Kaji |
| Ryoji Noyori | Ryōji Noyori |
| ryokan | ryokan |
| Ryoko Hirosue | Ryōko Hirosue |
| Ryoko Tani | Ryōko Tani |
| Ryoko Yamagishi | Ryōko Yamagishi |
| Ryom Verzeichnis | Catalogue Ryom |
| Ryou Shirogane | Ryo Shirogane |
| Ryslinge | Ryslinge |
| Ryslinge municipality | Ryslinge |
| Rysy | Mont Rysy |
| Ryszard Kapuściński | Ryszard Kapuściński |
| Ryszard Kukliński | Ryszard Kukliński |
| Ryszard Siwiec | Ryszard Siwiec |
| Ryszard Stanibula | Ryszard Stanibuła |
| Ryta Turava | Ryta Turava |
| Ryu Seung-Min | Ryu Seung Min |
| Ryugyong Hotel | Hôtel Ryugyong |
| Ryuhei Kitamura | Ryūhei Kitamura |
| Ryuhei Matsuda | Ryūhei Matsuda |
| Ryuichi Sakamoto | Ryūichi Sakamoto |
| Ryukyu Islands | Îles Ryūkyū |
| Ryukyu Kingdom | Royaume de Ryukyu |
| Ryukyu Mole | Nesoscaptor uchidai |
| Ryukyuan languages | Langues ryukyu |
| Ryurik | Riourik |
| Ryutaro Hashimoto | Ryūtarō Hashimoto |
| Ryuteki | Ryûteki |
| Ryōan-ji | Ryōan-ji |
| Ryū Murakami | Ryū Murakami |
| Ryūjin | Ryujin |
| Ryūkotsusei | Ryukotsusei |
| Ryūkyū Islands | Îles Ryūkyū |
| Ryūkyū Kingdom | Royaume de Ryukyu |
| Ryūkyū proper | Îles Ryūkyū |
| Ryūnosuke Akutagawa | Ryūnosuke Akutagawa |
| Ryūtarō Nakamura | Ryūtarō Nakamura |
| RZA | RZA |
| Rzeczpospolita | Rzeczpospolita |
| Rzeszów | Rzeszów |
| Rzhev | Rjev |
| R·Type | R-Type |
| Rába | Raab |
| Rádio e Televisão de Portugal | Radio Télévision du Portugal |
| Rákospalotai EAC | Rákospalotai EAC |
| Rán | Rán |
| Râmnicu Sărat | Râmnicu Sărat |
| Râmnicu Vâlcea | Râmnicu Vâlcea |
| Râşnov | Râşnov |
| Rätikon | Chaîne de Livigno |
| Rättvik Municipality | Commune de Rättvik |
| Rääkkylä | Rääkkylä |
| Råshult | Råshult |
| Råsunda Stadium | Råsunda |
| Réaumur | Échelle Réaumur |
| Réaumur - Sébastopol | Réaumur - Sébastopol |
| Réaumur scale | Échelle Réaumur |
| Récollets | Ordre des récollets frères mineurs |
