| revenge | maščevanje |
| Reverend | Duhovnik |
| reverse osmosis | reverzna osmoza |
| Reversi | Othello |
| Revista Semana | Nedelja |
| revolt | upor |
| revolution | revolucija |
| Revolutionary Government of Zanzibar | Zanzibar |
| Revolver | Revolver |
| Revolvers | Revolver |
| Rex | Rex |
| Rexhep Meidani | Rexhep Meidani |
| Rexism | Rex |
| Reykjavik | Reykjavík |
| Reykjavík | Reykjavík |
| Reynolds number | Reynoldsovo število |
| Rezina | Guma |
| RG | RG |
| RGB | RGB |
| RGB color model | RGB barvni model |
| RGB color space | RGB barvni model |
| Rh | Rodij |
| Rhapsody of Fire | Rhapsody of Fire |
| Rhapsody on a Theme of Paganini | Variacije na Paganinijevo temo |
| Rhea | Rea |
| Rheims | Reims |
| Rhein | Ren |
| Rheintochter | Rheintochter |
| Rhen - the | Ren |
| rhenium | renij |
| Rhesus blood group system | RH |
| Rhesus factor | RH |
| Rhetoric | retorika |
| Rhin | Ren |
| Rhine | Ren |
| Rhine-barge | Aak |
| Rhinestones | Štras |
| rhino | nosorog |
| rhinoceros | nosorog |
| Rhinos | Nosorogi |
| Rho | Ro |
| Rho Island | Ro |
| Rho meson | Ro |
| Rhode Island | Rhode Island |
| Rhode Island Red | Rhode Island |
| Rhodes | Rodos |
| rhodium | rodij |
| rhombus | romb |
| Rhona | Rona |
| Rhone | Rona |
| rhubarb | rabarbara |
| Rhyming word | Soglasnik |
| Rhythm | Ritem |
| Rhône | Rhône |
| Rhône River | Rona |
| Rhône wine | Rona |
| Rhône-Alpes | Rona-Alpe |
| RI | RI |
| rib | rebro |
| Ribnica na Pohorju | Občina Ribnica na Pohorju |
| Ribosome | Ribosom |
| Ricardo Londono | Ricardo Londoño |
| Ricardo Londoño | Ricardo Londoño |
| Ricardo Rodríguez | Ricardo Rodríguez |
| Ricardo Rosset | Ricardo Rosset |
| Ricardo Zamora | Ricardo Zamora |
| Ricardo Zonta | Ricardo Zonta |
| Riccardo Paletti | Riccardo Paletti |
| Riccardo Patrese | Riccardo Patrese |
| rice | riž |
| Rice noodles | Riževi špageti |
