| red brass | Rotguss |
| red bream | Rotbarsch |
| Red Brigades | Rote Brigaden |
| red bronce | Rotguss |
| Red Bronx | Rumble in the Bronx |
| red bronze | Rotguss |
| red brown | rotbraun |
| red buckeye | Rote Rosskastanie |
| red bugloss | Wildprets Natternkopf |
| Red Bull | Krating Daeng |
| Red Bull Air Race World Series | Red Bull Air Race Series |
| Red Bull New York | Red Bull New York |
| Red Bull Racing | Red Bull Racing |
| Red Bull X-Fighters | Red Bull X-Fighters |
| Red Buttons | Red Buttons |
| red cabbage | Rotkraut |
| red cabbage bug | Schmuckwanze |
| red cabbage can | Rotkohldose |
| red cabbage field | Rotkohlfeld |
| red cabbage soup | Blaukrautsuppe |
| red cabbage tin | Rotkohldose |
| red campion | Rotes Leimkraut |
| Red Canyon | Hurrikan |
| red card | Rote Karte |
| red card a player | einem Spieler die rote Karte zeigen |
| red cards | rote Karten |
| red carpet | roter Teppich |
| red carpet treatment | großer Bahnhof |
| red casting brass | Rotguss |
| red cedar | Rotzedernholz |
| red cedar wood | Rotzedernholz |
| red chalk | Rötel |
| red chestnut | Braunrote Wegerich-Eule |
| red chestnut moth | Braunrote Wegerich-Eule |
| red clause credit | Vorschussakkreditiv |
| Red Cliff | Der rote Fels |
| Red Cloud | Red Cloud |
| red clover | Himmelsbrot |
| red cock | roter Hahn |
| red cockscomb | Trauer-Fuchsschwanz |
| red colobi | Rote Stummelaffen |
| Red colobus | Rote Stummelaffen |
| red colobuses | Rote Stummelaffen |
| red comb star | Grosser Kamm-Seestern |
| red cone ginger | Roter Ingwer |
| red contribution | Rotanteil der Lichtempfindlichkeit |
| red copper foundry | Rotgießerei |
| red corpuscle | rotes Blutkörperchen |
| red corpuscles | rote Blutkörperchen |
| Red Crescent | Internationales Rotes Kreuz |
| Red Cross | Rotes Kreuz |
| Red Cross helper | Rote-Kreuz-Helfer |
| Red Cross nurse | Rotkreuzschwester |
| red crossbill | Fichtenkreuzschnabel |
