| Name | Meaning | Gender | Origin |
|---|
| Destin | destiny | Male | Latin |
| Dewey | Diminutive of Dafydd, Welsh variation of David | Male | Anglicized |
| Dexter | dyer, right-handed | Male | Latin |
| Diego | the suplanter | Male | Spanish |
| Digger | One that digs. | Unisex | |
| Dijon | Faithful | Unisex | English |
| Dinky | dog on National Lampoon's Vacation | Unisex | |
| Dino | From The Dene | Male | English |
| Dionysus | also Dionysos and Dionysis, Greek mythology: god of wine, also known as Bacchus | Unisex | |
| Ditty | | Unisex | Hebrew |
| Doc | | Unisex | Hebrew |
| Dodger | One that dodges or evades | Unisex | |
| Dodo | | Unisex | Hebrew |
| Dominic | Belonging To God | Male | English |
| Doofus | | Unisex | Hebrew |
| Doom | | Unisex | Hebrew |
| Doug | From The Dark Water | Unisex | Scottish |
| Drake | A male duck. | Male | English |
| Drifter | | Unisex | Hebrew |
| Droopy | | Unisex | Hebrew |
| Duke | Highest ranking nobleman | Male | English |
| Dumbo | | Unisex | Hebrew |
| Durian | | Unisex | Hebrew |
| Earl | A British nobleman equivalent to a European count | Male | English |
| Echo | Repetition of a sound caused by the reflection of sound waves. For one that barks or meows a lot. A nymph | Male | Greek |