| RHSD | RHSD ČR | Rhudaur |
| Rhume | Rhus | Rhus cotinus |
| Rhus radicans | Rhus toxicodendron | Rhus typhina |
| Rhuthun | Rhyacionia buoliana | Rhybaření |
| Rhydaman | Rhydon | Rhyhorn |
| Rhyl FC | Rhymers' Club | Rhynchanthera |
| Rhynchocalycaceae | Rhynchocephalia | Rhynchocoela |
| Rhynchocyon cirnei | Rhynchocyon petersi | Rhyncholit |
| Rhynchophthirina | Rhynchopsitta | Rhynchopsitta pachyrhyncha |
| Rhynchopsitta terrisi | Rhynchosia | Rhynchospora |
| Rhynchospora alba | Rhynchospora fusca | Rhynchostreon suborbiculatum |
| Rhyne Williams | Rhyniofyty | Rhyniophyta |
| Rhyniové rostliny | Rhynochetidae | Rhynochetos |
| Rhynochetos jubatus | Rhynocoris iracundus | Rhyothemis variegata |
| Rhyperior | Rhys | Rhys Chatham |
| Rhys Davies | Rhys Davies (rozcestník) | Rhys Evans |
| Rhys Ifans | Rhys Murphy | Rhys Owain Evans |
| Rhys Williams | Rhys Williams (atlet) | Rhysodidae |
| Rhyssa gloriosa | Rhyssa marginalis | Rhyssa matutina |
| Rhyssa persuasoria | Rhythm & blues | Rhythm & Blues |
| Rhythm & Blues (album, Buddy Guy) | Rhythm & Drums | Rhythm 0 |
| Rhythm and blues | Rhythm and Blues | Rhythm of Love |
| Rhythmbox | Rhythmeen | Rhythmic Noise |
| Rhyticeros | Rhyticeros cassidix | Rhyticeros everetti |
| Rhyticeros narcondami | Rhyticeros plicatus | Rhyticeros subruficollis |
| Rhyticeros undulatus | Rhyticeros waldeni | Rhytidiadelphus squarrosus |
| Rhytidiadelphus triquetrus | Rhytmbox | Rhyton |
| RI | Ri Čchun-hi | Ri Čhun Hi |
| Ri Čun-il | Ri Jun-il | Ri Kwang-čchon |
| Ri Mjong-guk | Ri Mjong-hun | Ri Myong-guk |
| Ri Myung-hun | RI Okna Zlín | Ri Se-gwang |
| Ri Sol-ču | RIA | Ria Novosti |
| RIA Novosti | Ria Stalman | Ria Stalmanová |
| Ria Visser | Ria Visserová | RIAA |
| Riabininohadros | Riabininohadros weberae | Riachuelo |
| RIAI | Rial | Rialto Towers |
| RIAN | Riana | Rianne ten Haken |
| Rianne ten Hakenová | RIANZ | Riap |
| RIAS | Rias | Riau |
| Riau Kepulauan | Rişod Sobirov | Riazor |
| Ričardas Berankis | Ričardas Gavelis | Ričú |
| Rišad Sabirov | Rišat Chajbullin | Riššakudži |
| Rišňovce | Rišda | Rišelie |
| Rišikéš | Riširi | Riširi (ostrov) |
| Riširi (sopka) | Riál | Rišod Sobirov |
| Rišon le-Cijon | Rišon LeCijon | Rišon LeCion |
| Rišpon | Rižskaja | Rižskaja (stanice metra v Moskvě) |
| Rižská církevní provincie | Rižská gubernie | Rižská mírová smlouva |
| Rižská rozhlasová a televizní věž | Rižská varianta | Rižské metro |
| Rižský balzám | Rižský dóm | Rižský mír |
| Rižský záliv | Rižský zámek | Rižskij vagonostrojitělnyj zavod |
| RIBA | RIBA Stirling Prize | Ribarci (Rosoman) |
| Ribatejo | Ribčev Laz | Ribát |
| Ribóza | Ribbentrop | Ribbentrop-Molotov |
| Ribbentropův-Molotovův pakt | Ribble | Ribbon |
| Ribbon synapse | Ribe | Ribe Amt |
| Ribe Domkirkes indvielse | Ribeauvillé | Ribeira Brava |
| Ribeira da Janela | Ribeira da Janela (řeka) | Ribeiro |
| Ribemont | Ribera del Fresno | Ribes |
| Ribes alpinum | Ribes aureum | Ribes cereum |
| Ribes hirtellum | Ribes lacustre | Ribes lucidum |
| Ribes nigrum | Ribes nigrum x uva-crispa | Ribes niveum |
| Ribes petraeum | Ribes rubrum | Ribes sanguineum |
| Ribes speciosum | Ribes triste | Ribes uva-crispa |
| Ribitol | Riblja čorba | Riblja Čorba |
| Ribnica | Ribnica (Mavrovo a Rostuša) | Ribnica, Mavrovo a Rostuša |
| Ribnik | Ribnik (Bosna a Hercegovina) | Riboflavin |
| Riboflavin-5'-fosfát | Riboflavinadenosindifosfát | Ribollita |
| Ribonukleasa | Ribonukleasy | Ribonukleáza |
| Ribonukleázy | Ribonukleoprotein | Ribonukleotid |
| Ribonukleotid reduktáza | Ribonukleotidreduktáza | Ribonukleová kyselina |
| Ribosa | Ribosom | Ribosomy |
| Ribothymidin | Ribotymidin | Ribovir |
| Riboviria | Ribovirus | Riboviry |
| Ribozóm | Ribozom | Ribozomální ribonukleová kyselina |
| Ribozomální RNA | Ribozomy | Ribozym |
| Ribozymy | Ribulóza | Ribulóza-1,5-bisfosfát |
| Ribulóza-1,5-bisfosfát-karboxyláza | Ribulóza-1,5-bisfosfát-karboxyláza/oxygenáza | Ribulóza-1,5-bisfosfát-oxygenáza |
| Ribulóza-1,5-bisfosfátkarboxyláza-oxygenáza | Ribulóza-5-fosfát | Ribulosa |
| Ribulosa-1,5-bisfosfát | Ribulosa-1,5-bisfosfát-karboxylasa | Ribulosa-1,5-bisfosfát-karboxylasa/oxygenasa |
| Ribulosa-1,5-bisfosfát-oxygenasa | Ribulosa-5-fosfát | Ric Birch |
| Ric Flair | Ric Grech | Ric Ocasek |
| Ric Sanders | Rica | Rica Reinisch |
| Rica Reinischová | RICAIP | Ricard |
| Ricard Bofill Leví | Ricarda Funková | Ricarda Huch |
| Ricarda Huchová | Ricarda Lang | Ricarda Langová |
| Ricardinho | Ricardo Abreu Ribeiro | Ricardo Acuña |
| Ricardo Acuña (judista) | Ricardo Alegría | Ricardo Alexandre dos Santos |
| Ricardo Alves Andrade | Ricardo Antonio Chavira | Ricardo Baliardo |
| Ricardo Blázquez | Ricardo Blázquez Pérez | Ricardo Bochini |
| Ricardo Bofill | Ricardo Calero | Ricardo Carvalho |
| Ricardo Castro Herrera | Ricardo Chavira | Ricardo Costa |
| Ricardo Delgado | Ricardo Diaz | Ricardo Domingos Barbosa Pereira |
| Ricardo Eichmann | Ricardo Eliezer Neftalí Reyes Basoalt | Ricardo Eliezer Neftalí Reyes Basoalto |
| Ricardo Etxarte | Ricardo Ezzati Andrello | Ricardo Faccio |
| Ricardo Froilán Lagos Escobar | Ricardo Fuentes | Ricardo Gabriel Álvarez |
| Ricardo Güiraldes | Ricardo Giusti | Ricardo Gomes |
| Ricardo Gomes Raymundo | Ricardo Gonzalo Pedro Montalbán y Merino | Ricardo Infante |
| Ricardo Izecson dos Santos Leite | Ricardo Jamin Vidal | Ricardo Jorge Mollo |
| Ricardo Kishna | Ricardo La Volpe | Ricardo Lagos |
