| rector | sognpræst |
| rectory | præstegaard |
| Rectums | Endetarm |
| Recurring characters in Asterix | Asterix |
| Recursion | Rekursiv |
| Recursive acronym | Rekursivt akronym |
| Recurvirostridae | Klyde |
| recyclability | genanvendelighed |
| recyclable plastic | genbrugsplastic |
| recycled material | genbrugsmateriale |
| recycled paper | genbrugspapir |
| recycling | genvinding |
| recycling management and waste law | lovgivning om styring af genbrug og affald |
| recycling potential | genanvendelsespotentiel |
| recycling ratio | genanvendelseskvote |
| red | rød |
| Red Admiral | Admiral |
| Red algae | Rødalger |
| Red Army | Den Røde Hær |
| Red Army Faction | Rote Armee Fraktion |
| Red blood | Kraft |
| Red Book | Rødliste |
| Red Brigades | Røde Brigader |
| Red Bull | Red Bull |
| Red Crescent | Røde Kors |
| Red Cross | Røde Kors |
| red deer | kronhjort |
| Red Dragon | Den Røde Drage |
| Red dwarf | Rød dværg |
| Red Electoral Alliance | Rød Valgallianse |
| Red Fort | Agra Fort |
| Red fowl mite | Rød mide |
| Red Fox | Rød ræv |
| Red Gate | Den Røde Port |
| Red giant | Rød kæmpe |
| Red Guards | Den Røde Garde |
| Red Guy | Den Røde Fyr |
| Red hair | Rød |
| Red head | Mandarin |
| Red Hot Chili Peppers | Red Hot Chili Peppers |
| Red Indian | Indianeren |
| Red Junglefowl | Høns |
| Red king crab | Troldkrabbe |
| red kite | rød glente |
| Red Light District | Red-light district |
| Red ochre | Okker |
| Red of dawn | Aurora |
| Red Panda | Rød panda |
| Red rain in Kerala | Red rain in Kerala |
| Red River | Røde Flod |
| Red Screen of Death | BSOD |
| Red Sea | Røde Hav |
| Red Sea Governorate | Røde Hav |
| Red Slender Loris | Slanklori |
| Red Slug | Rød skovsnegl |
| Red spot | Rose |
| Red Square | Den Røde Plads |
| Red star | Krasnaja Svesda |
| Red Star Belgrade | FK Crvena Zvezda |
| Red supergiant | Rød superkæmpe |
| red tide | red tide |
| Red Vienna | Røde Wien |
| Red-bellied Woodpecker | Zebraspætte |
| Red-browed Finch | Tornastrild |
| Red-deer | Kronhjort |
| Red-eared slider | Rødøret terrapin |
| Red-Green Alliance | Enhedslisten |
| Red-Haired Shanks | Shanks den røde |
| Red-headed Woodpecker | Rødhovedet spætte |
| Red-lead | Mønje |
| Red-tape | Bureaukrati |
