| CustÓDio | | - | Portuguese | |
| DÉBora | | DE-bo-rah (Spanish) | Spanish, Portuguese, French | |
| DÉLia | | - | Portuguese, French, Hungarian | |
| Dado (1) | | - | Portuguese | |
| Dan (2) | | DAN (English), DAHN (Romanian, Czech, Swedish) | English, Spanish, French, Portuguese, Romanian, Czech, German, Polish, Swedish, Danish, Norwegian | |
| Daniela | | dahn-YE-lah (German) | Italian, German, Czech, Slovak, Romanian, Portuguese, Spanish, Bulgarian, Macedonian, English | |
| Danilo | | - | Italian, Portuguese, Spanish, Slovene, Serbian, Croatian | |
| Davi | | - | Portuguese (Brazilian) | |
| 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 | |
| DemÉTrio | | - | Portuguese | |
| Deodato | | - | Portuguese | |
| DesidÉRia | | - | Portuguese | |
| DesidÉRio | | - | Portuguese | |
| Diana | | die-AN-ə (English), dee-AH-nah (Italian, German, Dutch) | English, Spanish, Italian, Portuguese, Romanian, Catalan, German, Dutch, Danish, Swedish, Norwegian, | |
| Dimas | | - | Spanish, Portuguese | |