| DNA | DNA |
| DNA complementare | CDNA‚ complementary DNA |
| DNA mitocondriale | DNA |
| DNA polimerasi | DNA polymerase |
| DNA-binding protein | DNA-binding protein |
| DNAc | cDNA |
| DNA² | DNA² |
| Dnepr | Dnieper River |
| Dniester | Dniester |
| Dnipro Dnipropetrovsk | FC Dnipro Dnipropetrovsk |
| Dnipropetrovs'k | Dnipropetrovsk |
| Dnipropetrovsk | Dnipropetrovsk |
| DNS cache poisoning | DNS cache poisoning |
| DNSBL | DNSBL |
| do-it-yourself | do-it-yourself |
| Dobbiaco | Toblach |
| Dobel | Dobel |
| Dobele | Dobele District |
| Dobermann | Doberman Pinscher |
| Dobiegniew | Dobiegniew |
| Dobitschen | Dobitschen |
| Dobje | Dobje |
| dobra | dobra |
| Dobra di Sao Tomé e Principe | São Tomé and Príncipe dobra |
| Dobra di São Tomé e Príncipe | São Tomé and Príncipe dobra |
| Dobrepolje | Dobrepolje |
| Dobrica | Dobrica |
| Dobrigno | Dobrinj |
| Dobrič | Dobrich |
| Dobrna | Dobrna |
| Dobro | Dobro |
| Dobrohošť | Dobrohošť |
| Dobrova-Polhov Gradec | Dobrova-Polhov Gradec |
| Dobrovnik | Dobrovnik |
| Dobrugia | Dobruja |
| Dobrugia Meridionale | Southern Dobruja |
| Dobrynja Nikitič | Dobrynya Nikitich |
| Dobutamina | Dobutamine |
| DOC | DOC |
| Doc Holliday | Doc Holliday |
| doccia | shower |
| doccia fredda | anticlimax |
| Docciatura | Shower |
| doccione | gargoyle |
| docente | teacher |
| Docenza | Education |
| Docetismo | Docetism |
| docile | tame |
| docilità | obedience |
| dock | dock |
| Doctor of Philosophy | Doctor of Philosophy |
| Doctor Who | Doctor Who |
| Document Object Model | Document Object Model |
