| Demar | - | Assyrian Name | Demarco | - | West Indies Name |
| Demas | - | Greek Name | Demelza | - | Maori Name |
| Demetra | - | Greek Name | Demetre | - | Greek Name |
| Demétria | - | Portuguese Name | Demetria | - | Greek Name |
| Demétrio | - | Portuguese Name | Demetrius | - | Biblical Name |
| Demi | - | Greek Name | Demia | - | Greek Name |
| Demii | - | Australian Name | Demin | - | French Name |
| Demir | - | Turkish Name | Demir | - | Turkish Name |
| Demira | - | Assyrian Name | Demiral | - | Turkish Name |
| Demiray | - | Turkish Name | Demirci | - | Turkish Name |
| Demirel | - | Turkish Name | Demirgül | - | Turkish Name |
| Demirhan | - | Turkish Name | Demirkan | - | Turkish Name |
| Demiro?lu | - | Turkish Name | Demirsoy | - | Turkish Name |
| Demirta? | - | Turkish Name | Demirtürk | - | Turkish Name |
| Demissie | - | African Name | Demitra | - | Greek Name |
| Demitri | - | Greek Name | Demont | - | French Name |
| Demothi | - | American Name | Dempsey | - | Gaelic Name |
| Demyan | - | Ukrainian Name | Demyana | - | Ukrainian Name |
| Dena | - | American Name | Denali | - | Eskimo Name |
| Denali | - | American Name | Denaye | - | African Name |
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