| Ribozyme | Ribozima |
| Ribsteak | Entrecôte |
| ribulose | ribulosa |
| Ribwort Plantain | Plantago lanceolata |
| Ric Flair | Ric Flair |
| Ricarda Huch | Ricarda Huch |
| Ricardian equivalence | Equivalencia ricardiana |
| Ricardo Arias Espinosa | Ricardo Arias Espinosa |
| Ricardo Belmont Cassinelli | Ricardo Belmont |
| Ricardo Bochini | Ricardo Enrique Bochini |
| Ricardo Bofill | Ricardo Bofill Levi |
| Ricardo Bóvio | Ricardo Bóvio |
| Ricardo Carvalho | Ricardo Carvalho |
| Ricardo de la Espriella | Ricardo de la Espriella |
| Ricardo Flores Magón | Ricardo Flores Magón |
| Ricardo Francisco Rojas | Ricardo Francisco Rojas |
| Ricardo Lagos | Ricardo Lagos Escobar |
| Ricardo Lavolpe | Ricardo La Volpe |
| Ricardo Leoncio Elías Arias | Ricardo Leoncio Elías Arias |
| Ricardo López Felipe | Ricardo López Felipe |
| Ricardo Maduro | Ricardo Maduro |
| Ricardo Mangue Obama Nfubea | Ricardo Mangue Obama Nfubea |
| Ricardo María Carles Gordó | Ricardo María Carles Gordó |
| Ricardo Palma District | Distrito de Ricardo Palma |
| Ricardo Pereira | Ricardo Pereira |
| Ricardo Piglia | Ricardo Piglia |
| Ricardo Rodríguez | Ricardo Rodríguez de la Vega |
| Ricardo Rosset | Ricardo Rosset |
| Ricardo Vaz Té | Ricardo Vaz Té |
| Ricardo Zamora | Ricardo Zamora |
| Ricardo Zamora Trophy | Trofeo Zamora |
| Ricardo Zonta | Ricardo Zonta |
| Riccardo Cocciante | Riccardo Cocciante |
| Riccardo Giacconi | Riccardo Giacconi |
| Riccardo Muti | Riccardo Muti |
| Riccardo Paletti | Riccardo Paletti |
| Riccardo Patrese | Riccardo Patrese |
| Riccardo Riccò | Riccardo Ricco |
| Riccati equation | Ecuación de Riccati |
| Ricci curvature | Tensor de Ricci |
| Ricci flow | Flujo de Ricci |
| rice | arroz |
| Rice burner | Tuning |
| rice cake | galleta de arroz |
| rice field | arrozal |
| rice in the husk | arroz descascarillado |
| rice milk | leche de arroz |
| Rice noodles | Fideo de arroz |
| rice paddy | arrozal |
| rice paper | papel de arroz |
| Rice porridge | Arroz congee |
| rice pudding | arroz con leche |
| rice table | rijsttafel |
| Rice University | Universidad Rice |
| rice vinegar | vinagre de arroz |
| rice weeder | mondador de arrozales |
| rice-weeder | mondador de arrozales |
