| Name | Meaning | Gender | Origin |
|---|
| Darby | from the deer estate | Male | Irish |
| Darcy | from Arcy | Male | English |
| Dewey | Diminutive of Dafydd, Welsh variation of David | Male | Anglicized |
| Dexie | | Unisex | Hebrew |
| Dexter | dyer, right-handed | Male | Latin |
| Digit | | Unisex | Hebrew |
| Ditzy | | Unisex | Hebrew |
| Doc | | Unisex | Hebrew |
| Dusty | Covered with dust, tinged with grey | Unisex | |
| Dutchess | | Unisex | Hebrew |
| Earl | A British nobleman equivalent to a European count | Male | English |
| Elly | Torch | Unisex | English |
| Ender | | Unisex | Hebrew |
| Extra | | Unisex | Hebrew |
| Fabio | bean grower | Male | Italian |
| Felix | Lucky
| Male | Latin |
| Fluff | | Unisex | Hebrew |
| Fluffers | | Unisex | Hebrew |
| Fluffy | Covered with fluff, Soft, light and airy. | Unisex | |
| Frankie | Diminutive of Frank Free: a free man. Frankie is occasionally used for girls.
| Male | |
| Fur | | Unisex | Hebrew |
| Furball | | Male | Hebrew |
| Fuzz | | Unisex | Hebrew |
| Fuzzball | | Unisex | Hebrew |
| Fuzzy | | Male | Hebrew |