| Dechen | | - | Tibetan, Bhutanese | |
| Decima | | DEK-i-ma | Ancient Roman | |
| Decimus | | DE-ki-muws | Ancient Roman | |
| Dederick | | - | English (Archaic) | |
| Dedrick | | - | African American | |
| Deemer | | DEE-mər | English (Rare) | |
| Deep | | - | Indian, Hindi, Marathi, Gujarati, Bengali, Punjabi | |
| Deepa | | - | Indian, Hindi, Marathi, Punjabi, Bengali, Malayalam, Tamil | |
| Deepak | | - | Indian, Hindi, Marathi, Bengali, Gujarati, Punjabi, Malayalam, Kannada, Tamil, Telugu, Nepali | |
| Deepali | | - | Indian, Hindi, Marathi | |
| Deepika | | - | Indian, Hindi, Marathi, Kannada, Malayalam, Tamil, Telugu | |
| Deepti | | - | Indian, Hindi, Marathi, Kannada | |
| Deforrest | | də-FAWR-əst | English (Rare) | |
| Deion | | - | African American (Modern) | |
| Deitra | | - | English (Rare) | |