| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Davide | DAH-vee-de | Italian | ||
| Debora | - | Italian, German, Dutch | ||
| Delfina | - | Italian, Spanish | ||
| Delia (1) | DEEL-ee-ə (English), DEEL-yə (English), DEL-yah (Italian, Spanish) | English, Italian, Spanish, Romanian, Greek Mythology | ||
| Demetra | - | Italian, Romanian, Greek | ||
| Demetrio | de-ME-tryo | Italian, Spanish | ||
| Desideria | - | Italian, Spanish, Late Roman | ||
| Desiderio | - | Italian, Spanish | ||
| Diana | die-AN-ə (English), dee-AH-nah (Italian, German, Dutch) | English, Spanish, Italian, Portuguese, Romanian, Catalan, German, Dutch, Danish, Swedish, Norwegian, | ||
| Dina (2) | DEE-nah (Italian) | Italian, Portuguese | ||
| Dino | DEE-no (Italian) | Italian, Croatian | ||
| Diodato | - | Italian | ||
| Dionisio | dyo-NEE-syo (Spanish), dyo-NEE-zyo (Italian) | Spanish, Italian | ||
| Domenica | - | Italian | ||
| Domenico | - | Italian |