| common denominator | gemeinsamer Nenner |
| common dentex | Zahnbrasse |
| Common descent | Urvorfahr |
| Common Desktop Environment | Common Desktop Environment |
| Common Development and Distribution License | Common Development and Distribution License |
| common devil's-bit | Gewöhnliche Teufelsabbiss |
| common dewberry | Kratzbeere |
| common diuca finch | Braunsteißdiuca |
| common diving petrel | Lummensturmvogel |
| common divisor | gemeinsamer Teiler |
| Common Dogwood | Blutroter Hartriegel |
| common dolphinfish | Gemeine Goldmakrele |
| common dolphins | Gemeine Delfine |
| common dor beetle | Gemeiner Mistkäfer |
| common dormice | Haselmäuse |
| common dormouse | Haselmaus |
| common drain connection | Drainanschluß |
| common duckweed | kleine Wasserlinse |
| Common Duiker | Kronenducker |
| common dump line | gemeinsame Abblaseleitung |
| common Dutch agrimony | Gewöhnlicher Wasserdost |
| Common Dwarf Mongoose | Zwergmangusten |
| common eagle ray | Gewöhnlicher Adlerrochen |
| common eczema | vulgäres Ekzem |
| Common Egg-eater | Gewöhnliche Eierschlange |
| Common Eider | Eiderente |
| common eland | Elenantilope |
| common elder | Flieder |
| common emitter | Emitterschaltung |
| common emitter circuit | Emitterschaltung |
| common enemy | gemeinsamer Feind |
| Common Era | n. Chr. |
| Common ethanol fuel mixtures | Gasohol |
| Common European Framework of Reference for Languages | Gemeinsamer Europäischer Referenzrahmen |
| common European limpet | Gemeine Napfschnecke |
| Common evenig primrose | Onager |
| common evening primrose | Gemeine Nachtkerze |
| common evening-primrose | Gemeine Nachtkerze |
| common evil | verbreitetes Übel |
| common example | gängiges Beispiel |
| common factor | gemeinsamer Teiler |
