| Dulce | | DOOL-the (Spanish), DOOL-se (Latin American Spanish) | Spanish, Portuguese | |
| Dulcibella | | - | English (Archaic) | |
| Dulcie | | DUL-see | English | |
| Dulf | | DULF | Limburgish | |
| Dumisani | | - | Southern African, Zulu | |
| Duncan | | DUN-kən (English) | Scottish, English | |
| Dunja | | DOO-nyah (Serbian, Croatian) | Serbian, Croatian, Slovene | |
| Dunstan | | DUN-stən (English) | English (Rare), Anglo-Saxon | |
| Dunya | | - | Russian | |
| Dunyasha | | - | Russian | |
| Durga | | DOOR-ga (Hinduism) | Hinduism, Indian, Hindi, Telugu, Tamil | |
| Durward | | DUR-wərd | English | |
| Dushyanta | | - | Hinduism | |
| Dustin | | DUS-tin | English | |
| Dusty | | DUS-tee | English | |