| Dama dama | kabehirv | | Fallow Deer | |
| Daubentonia madagascariensis | aie | | Aye-aye | |
| Daubentoniidae | aielased | | aye-ayes | |
| Delphinapterus leucas | valgevaal | | Beluga | |
| Delphinidae | delfiinlased | | oceanic dolphins, marine dolphins | |
| Desmana moschata | harilik piisammutt | harilik desman | Desman | |
| Desmodus rotundus | suur-vereimeja | | Common Vampire Bat | |
| Dicerorhinus sumatrensis | sumatra ninasarvik | | Sumatran Rhinoceros | |
| Diceros bicornis | teravmokk-ninasarvik | | Black Rhinoceros | |
| Didelphidae | opossumlased | | opossums | Põhja-, Kesk- ja Lõuna-Ameerika. |
| Dinaromys bogdanovi | aadria uruhiir | | Balkan Snow Vole | |
| Dologale dybowskii | savannimangust | | Pousargues’ Mongoose | |
| Dromiciops gliroides | vöötopossum | | Monito del Monte | Tšiili, Argentiina. |
| Dryomys nitedula | metsunel | | Forest Dormouse | |