| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Dean | DEEN | English | ||
| Deana | dee-AN-ə, DEEN-ə | English | ||
| Deanna | dee-AN-ə, DEEN-ə | English | ||
| Deanne | dee-AN | English | ||
| Deb | DEB | English | ||
| Debbi | DEB-ee | English | ||
| Debbie | DEB-ee | English | ||
| Debby | DEB-ee | English | ||
| Debdas | - | Bengali | ||
| Debi | DEB-ee | English | ||
| Deborah | DEB-ə-rə (English), DEB-rə (English) | English, Hebrew, Biblical | ||
| Debra | DEB-rə | English | ||
| Decima | DEK-i-ma | Ancient Roman | ||
| Decimus | DE-ki-muws | Ancient Roman | ||
| Dederick | - | English (Archaic) |