| David | | DAY-vid (English), dah-VEED (Jewish, Spanish), da-VEED (French), DAH-vit (German, Dutch), DAH-vid (Swedish, Norwegian), dah-VEET (Russian) | English, Hebrew, French, Scottish, Spanish, Portuguese, German, Swedish, Norwegian, Danish, Dutch, C | |
| Delfina | | - | Italian, Spanish | |
| Delia (1) | | DEEL-ee-ə (English), DEEL-yə (English), DEL-yah (Italian, Spanish) | English, Italian, Spanish, Romanian, Greek Mythology | |
| Demetrio | | de-ME-tryo | Italian, Spanish | |
| Desi | | - | 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, | |
| Didacus | | - | Medieval Spanish | |
| Diego | | DYE-go | Spanish | |
| Dimas | | - | Spanish, Portuguese | |
| Dionisio | | dyo-NEE-syo (Spanish), dyo-NEE-zyo (Italian) | Spanish, Italian | |
| Dolores | | do-LO-res (Spanish), də-LAWR-is (English) | Spanish, English | |
| Dominga | | do-MEENG-gah | Spanish | |
| Domingo | | do-MEENG-go | Spanish | |