Mai hivatalos név
| Ország | Névváltozatok
|
| Dubrovycja / Дубpoвиця | UKR | Dąbrowica [LEN -1793, 1919-39]; Dubrovica / Дубpoвицa [OR 1793-1918] |
| Duchcov | CS | Dux [AU -1918, NM 1938-1945] |
| Duga / Дугa | JU, CG | |
| Duga Resa | HR | Duga Resa [MA -1868] |
| Dugo Selo | HR | Dugo Selo [MA -1868] |
| Duino32 | OL, F | Duino [AU -1918, NM 1943-1945]; Devin [sln.] |
| Dukla | LEN | Dukla [AU 1772-1918, NM 1939-45]; Duklja / Дукля [ukr.] |
| Duklja ld. Dukla | | |
| Dulcigno ld. Ulcinj | | |
| Dulovce | SLK | Újgyalla [MA -1918, 1938-1945] |
| Dulovo / Дулoвo | BG | †Akkadănlar / Аккaдънлap; Akkadınlar [TR -1878]; Accadânlar [RO 1913-1940] |
| Dumbrăveni | RO | Elisabethstadt, †Eppeschdorf [AU -1867]; Erzsébetváros, †Ebesfalva [MA -1918] |
| Dünaburg ld. Daugavpils | | |
| Dunacsún ld. Čunovo | | |
| Dunaharaszti | MA | Harost [AU -1867] |
| Dunaj ld. Wien | | |
| Dunajská Streda | SLK | Dunaszerdahely [MA -1918, 1938-1945] |
| Dünamünde ld. Daugavgrīva | | |
| Dunaszekcső | MA | Seetschke [AU -1867]; Sečuv [hr.] |
| Dunaszerdahely ld. Dunajská Streda | | |
| Dunaújváros | MA | †Dunapentele [-1951]; ~Sztálinváros [1951-61] |
| Dunilavičy / Дунiлaвiчы | BEL | Duniłowicze [LEN -1793, 1919-39]; Junilovič / Юнилoвич [OR 1793-1918]; Duniloviči / Дунилoвичи [OR 1939-1991] |
| Duniloviči ld. Dunilavičy | | |
| Duniłowicze ld. Dunilavičy | | |
| Düpince ld. Stanke Dimitrov | | |
| Dupnica ld. Stanke Dimitrov | | |
| Durazzo ld. Durrës | | |
| Durbe | LET | Durben [NM 1941-1944]; Durbe / Дуpбe [OR 1945-1991] |
| Durben ld. Durbe | | |
| Đurinići | HR | |
