| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| 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 | ||
| Domitilla | - | Italian, Ancient Roman | ||
| Donata | do-NAH-tah (Italian) | Italian, Late Roman | ||
| Donatella | do-nah-TEL-lah | Italian | ||
| Donatello | do-nah-TEL-lo | Italian | ||
| Donato | do-NAH-to (Italian, Spanish) | Italian, Spanish, Portuguese |