| N A M E | O R I G I N | M E A N I N G |
| Delane | French | From the elder tree grove. |
| Delano | Old French | of the night |
| Delany | Irish | Variant of Delaney: Competitor's child; from the river Slaney. |
| Delavan | English | Variant of Delvin: Friend; good friend. |
| Delbert | unknown | bright like daytime |
| Delevan | English | Variant of Delvin: Friend; good friend. |
| Deli | Hungarian | warrior |
| Delling | Norse | Shining. |
| Dellinger | Scandinavian | Dayspring. |
| Dellingr | Norse | Shining. |
| Delman | English | Man from the valley. |
| Delmar | Spanish | Of the sea. |
| Delmer | French | Mariner 'Of the sea.'. |
| Delmon | English | Of the mountain. |
| Delmont | English | Of the mountain. |
| Delmor | Spanish | Variant of Delmar: Seaside. |
| Delmore | Latin | sea |
| Delphinus | Greek | A scout of Poseidon. |
| Delray | French | Of the King. |
| Delrick | French | Of the King. |
| Delrico | French | Of the King. |
| Delron | French | Of the King. |
| Delroy | English | The king. |
| Delsin | Native American | he is so |
| Delsy | Native-American | Variant of Delsin: He is so. |
| Delton | English | From the town in the valley. |
| Delvin | English | Friend; good friend. |
| Delvon | English | Godly friend. |
| Delwin | Teutonic | Valley friend. |
| Delwyn | English | Variant of Delvin: Friend; good friend. |