| Risalit | Risalit |
| RISC | RISC |
| rise | stå op |
| Rishon LeZion | Rishon LeZion |
| Risian Islands | De Frisiske Øer |
| Risin og Kellingin | Risin og Kellingin |
| rising sea level | stigende havoverflade |
| risk | risiko |
| Risk and Safety Statement | Liste over R-sætninger |
| Risk and Safety Statements | Liste over R-sætninger |
| Risk aversion | Risikoaversion |
| risk communication | meddelelse af risici |
| Risus sardonicus | Risus sardonicus |
| Risø National Laboratory | Forskningscenter Risø |
| Risør | Risør |
| Rita Hayworth | Rita Hayworth |
| Ritchie Valens | Ritchie Valens |
| rite | rite |
| rite of passage | overgangsrite |
| Ritornello | Ritornel |
| Ritt Bjerregaard | Ritt Bjerregaard |
| Ritter Sport | Ritter Sport |
| Rittmeister | Ritmester |
| Ritzau | Ritzaus Bureau |
| Riva | Riva |
| rival | konkurrere |
| Rivaldo | Rivaldo |
| Rivendell | Kløvedal |
| river | flod |
| River Aire | Aire |
| River Barrow | Barrow |
| river bed | flodseng |
| River delta | Floddelta |
| River Don | Don |
| River horses | Flodheste |
| River Kelvin | Kelvin |
| River kingfishers | Isfugle |
| River Lagan | Lagan |
| River Lee | Lee |
| River Liffey | Liffey |
| River Nile | Nilen |
| River Nore | Film noir |
| River Phoenix | River Phoenix |
| River Plate | La Plata |
| River Shannon | Shannon |
| River Thames | Themsen |
| River Tigris | Tigris |
| River Torrens | Lake Torrens |
| river water | flodvand |
| Riverdance | Riverdance |
| Rivers State | Flod |
| Riviera | Rivieraen |
| Rivière | Flod |
| rix-dollar | rigsdaler |
| Riyad Province | Riyadh |
| Riyadh | Riyadh |
| Riyadh Province | Riyadh |
| Rjukan | Rjukan |
| RLC circuit | Elektrisk svingningskreds |
| RMS Aquitania | Aquitaine |
| RMS Britannic | Britannic |
| RMS Lusitania | Lusitania |
| RMS Mauretania | Mauretanien |
| RMS Olympic | Olympic |
| RMS Queen Mary | Queen Mary |
| RMS Titanic | RMS Titanic |
| Rn | Radon |
| RNA | RNA |
| RNA polymerase | RNA polymerase |
