| Rhodesian Ridgeback | Rhodesian Ridgeback |
| Rhodiola rosea | Rhodiola rosea |
| rhodium | rodio |
| Rhodobacteraceae | Rhodobacteraceae |
| rhodochrosite | rodocrosita |
| rhododendron | rododendro |
| Rhododendron ponticum | Rhododendron ponticum |
| Rhododendron subgenus Hymenanthes | Rhododendron subgénero Hymenanthes |
| Rhodope | Montañas Ródope |
| Rhodope Mountains | Montañas Ródope |
| Rhodope Prefecture | Ródope |
| Rhodopis | Ródope |
| Rhodos | Rodas |
| Rhoen | Rhön |
| Rhoipteleaceae | Rhoipteleaceae |
| rhomb | rombo |
| Rhombic dodecahedron | Rombododecaedro |
| Rhombic triacontahedron | Triacontaedro rómbico |
| rhombicosidodecahedron | rombicosidodecaedro |
| Rhombicuboctahedron | Rombicuboctaedro |
| rhombohedral | romboédrico |
| rhombohedron | romboedro |
| rhomboid | romboidal |
| Rhombozoa | Rhombozoa |
| rhombus | rombo |
| Rhona | Ródano |
| Rhona Mitra | Rhona Mitra |
| Rhondda Cynon Taff | Rhondda |
| Rhone | Ródano |
| rhotacism | rotacismo |
| rhubarb | ruibarbo |
| Rhubarbs | Rheum rhabarbarum |
| rhyme | rima |
| rhymed | rimado |
| rhymester | rimador |
| Rhynchocalyx | Rhynchocalycaceae |
| Rhynchophorus ferrugineus | Rhynchophorus ferrugineus |
| rhyolite | riolita |
| Rhysodidae | Rhysodidae |
| rhythm | ritmo |
| Rhythm and blues | Rhythm and blues |
| rhythm section | sección de ritmo |
| rhythmic | rítmico |
| rhythmic gymnastics | gimnasia rítmica |
| rhythmical | rítmico |
| Rhythmophone | Rhythmophone |
| Rhäzüns | Rhäzüns |
| Rhône | Ródano |
| Rhône River | Ródano |
| Rhône wine | Ródano |
| Rhône-Alpes | Ródano-Alpes |
| Rhön Mountains | Rhön |
| Rhön-Grabfeld | Distrito de Rhön-Grabfeld |
| RI | Rieti |
| Riace Warriors | Bronces de Riace |
| Rialto Bridge | Puente de Rialto |
| Rianxo | Rianjo |
| Riau | Riau |
| Riau Islands | Archipiélago de Riau |
| Riaz | Riaz |
| Riazor Stadium | Estadio de Riazor |
| rib | costilla |
| rib cage | caja torácica |
| Rib eye steak | Entrecôte |
| Rib steak | Entrecôte |
| Rib vault | Bóveda de crucería |
| Riba-roja de Túria | Ribarroja del Turia |
| ribald | colorado |
| ribaldry | obscenidad |
| Ribatejo | Ribatejo |
| ribbed | acanalado |
| ribbing | acanalado |
| ribbit | croar |
| ribbon | cinta |
| Ribe County | Ribe |
| Ribe steak | Entrecôte |
