Starting with letter D
| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 481 | Decapolis | Biblical | Containing ten cities. | M | |
| 482 | Decha | Thai | Powerful. | M | |
| 483 | Decimus | Latin | Tenth. This name was often given to the tenth child in large families. | M | |
| 484 | Decius | Shakespearean | 'The Tragedy of Julius Caesar' Decius Brutus, a conspirator against Caesar. | M | |
| 485 | Declan | Irish | Famous bearer: 6th century Irish St. Declan. | M | |
| 486 | Deco | Hungarian | Lord. | M | |
| 487 | Dedan | Biblical | Their breasts, friendship, a judge. | M | |
| 488 | Dedanim | Biblical | The descendants of Dedan. | M | |
| 489 | Dedo | Latin | The Lord's. | M | |
| 490 | Dedric | German | Gifted ruler. Variant of Diederick. | M | |
| 491 | Dedric | Teutonic | Rules the people. | M | |
| 492 | Dedrick | Dutch | Gifted ruler. Variant of Diederick. | M | |
| 493 | Dedrick | English | Gifted ruler. Variant of Diederick. | M | |
| 494 | Dedrick | German | People's ruler. | M | |
| 495 | Dedrick | Teutonic | Rules the people. | M | |
| 496 | Dedrik | German | People's ruler. | M | |
| 497 | Dedrik | Teutonic | Rules the people. | M | |
| 498 | Dee | English | A diminutive of any name beginning with D, also frequently used as an independent name. | M | |
| 499 | Deegan | Gaelic | Black-haired. | M | |
| 500 | Deegan | Irish | Black-haired. | M | |