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This is a list of the mammal species recorded in the Dominican Republic. Of the mammal species in the Dominican Republic, one is critically endangered, one is endangered, three are vulnerable, and eight are considered to be extinct.^[1]

The following tags are used to highlight each species' conservation status as assessed by the International Union for Conservation of Nature:

EX	Extinct	No reasonable doubt that the last individual has died.
EW	Extinct in the wild	Known only to survive in captivity or as a naturalized populations well outside its previous range.
CR	Critically endangered	The species is in imminent risk of extinction in the wild.
EN	Endangered	The species is facing an extremely high risk of extinction in the wild.
VU	Vulnerable	The species is facing a high risk of extinction in the wild.
NT	Near threatened	The species does not meet any of the criteria that would categorise it as risking extinction but it is likely to do so in the future.
LC	Least concern	There are no current identifiable risks to the species.
DD	Data deficient	There is inadequate information to make an assessment of the risks to this species.

Order: Sirenia (manatees and dugongs)

Sirenia is an order of fully aquatic, herbivorous mammals that inhabit rivers, estuaries, coastal marine waters, swamps, and marine wetlands. All four species are threatened.

Family: Trichechidae
- Genus: Trichechus
  - West Indian manatee, T. manatus VU

Order: Rodentia (rodents)

Rodents make up the largest order of mammals, with over 40% of mammalian species. They have two incisors in the upper and lower jaw which grow continually and must be kept short by gnawing. Most rodents are small though the capybara can weigh up to 45 kg (99 lb).

Suborder: Hystricomorpha
- Family: Echimyidae
  - Subfamily: Heteropsomyinae
    - Genus: Brotomys
      - Hispaniolan edible rat, B. voratus EX
- Family: Capromyidae
  - Tribe: Plagiodontini
    - Genus: Hyperplagiodontia
      - Wide-toothed hutia, H. araeum EX
    - Genus: Plagiodontia
      - Hispaniolan hutia, P. aedium EN
      - Samaná hutia, P. ipnaeum EX
      - Small Haitian hutia, P. spelaeum EX^[2]
    - Genus: Rhizoplagiodontia
      - Lemke's hutia, R. lemkei EX
  - Subfamily: Isolobodontinae
    - Genus: Isolobodon
      - Montane hutia, I. montanus EX
      - Puerto Rican hutia, I. portoricensis EX
  - Subfamily: Hexolobodontinae
    - Genus: Hexolobodon
      - Imposter hutia, H. phenax EX
- Family: Heptaxodontidae
  - Subfamily: Heptaxodontinae
    - Genus: Quemisia
      - Twisted-toothed mouse, Q. gravis EX
Suborder: Muridae
- Family: Muridae
  - Genus: Rattus
    - Brown rat, R. norvegicus LC introduced
    - Black rat, R. rattus LC introduced
  - Genus: Mus
    - House mouse, M. musculus LC introduced

Order: Eulipotyphla (shrews, hedgehogs, moles, and solenodons)

Eulipotyphlans are insectivorous mammals. Shrews and solenodons closely resemble mice, hedgehogs carry spines, while moles are stout-bodied burrowers.

Family: Nesophontidae
- Genus: Nesophontes
  - Atalaye nesophontes, N. hypomicrus EX
  - Western Cuban nesophontes, N. micrus EX
  - St. Michel nesophontes, N. paramicrus EX
  - Haitian nesophontes, N. zamicrus EX
Family: Solenodontidae
- Genus: Solenodon
  - Marcano's solenodon, S. marcanoi EX
  - Hispaniolan solenodon, S. paradoxus LC

Order: lagomorpha (rabbits and hares)

Lagomorphs can be distinguish by their long ears.

Family: Leporidae
- Genus: Oryctolagus
  - European rabbit, O. cuniculus (I)

Order: Chiroptera (bats)

The bats' most distinguishing feature is that their forelimbs are developed as wings, making them the only mammals capable of flight. Bat species account for about 20% of all mammals.

Family: Vespertilionidae
- Genus: Eptesicus
  - Big brown bat, E. fuscus LC
- Genus: Lasiurus
  - Minor red bat, L. minor VU
Family: Noctilionidae
- Genus: Noctilio
  - Greater bulldog bat, N. leporinus LC
Family: Molossidae
- Genus: Molossus
  - Velvety free-tailed bat, M. molossus LC
- Genus: Nyctinomops
  - Big free-tailed bat, N. macrotis LC
- Genus: Tadarida
  - Mexican free-tailed bat, T. brasiliensis LC
Family: Mormoopidae
- Genus: Mormoops
  - Antillean ghost-faced bat, M. blainvillei NT
- Genus: Pteronotus
  - Parnell's mustached bat, P. parnellii NT
  - Sooty mustached bat, P. quadridens NT
Family: Phyllostomidae
- Subfamily: Phyllostominae
  - Genus: Macrotus
    - Waterhouse's leaf-nosed bat, M. waterhousii LC
  - Genus: Erophylla
    - Brown flower bat, E. bombifrons LC
- Subfamily: Brachyphyllinae
  - Genus: Brachyphylla
    - Cuban fruit-eating bat, B. nana NT
- Subfamily: Phyllonycterinae
  - Genus: Phyllonycteris
    - Cuban flower bat, P. poeyi NT
- Subfamily: Glossophaginae
  - Genus: Monophyllus
    - Leach's single leaf bat, M. redmani LC
- Subfamily: Stenodermatinae
  - Genus: Artibeus
    - Jamaican fruit bat, A. jamaicensis LC
  - Genus: Phyllops
    - Cuban fig-eating bat, P. falcatus NT
Family: Natalidae
- Genus: Chilonatalus
  - Cuban funnel-eared bat, C. micropus VU
- Genus: Natalus
  - Hispaniolan greater funnel-eared bat, N. major NT

Order: Cetacea (whales)

The order Cetacea includes whales, dolphins and porpoises. They are the mammals most fully adapted to aquatic life with a spindle-shaped nearly hairless body, protected by a thick layer of blubber, and forelimbs and tail modified to provide propulsion underwater.

Suborder: Mysticeti
- Family: Balaenopteridae (baleen whales)
  - Genus: Balaenoptera
    - Common minke whale, B. acutorostrata LC
    - Sei whale, B. borealis EN
    - Bryde's whale, B. brydei LC
    - Blue whale, B. musculus EN
    - Fin whale, B. physalus VU
  - Genus: Megaptera
    - Humpback whale, M. novaeangliae LC
Suborder: Odontoceti
- Superfamily: Platanistoidea
  - Family: Delphinidae (marine dolphins)
    - Genus: Delphinus
      - Short-beaked common dolphin, D. delphis DD
    - Genus: Feresa
      - Pygmy killer whale, F. attenuata DD
    - Genus: Globicephala
      - Short-finned pilot whale, G. macrorhyncus DD
    - Genus: Grampus
      - Risso's dolphin, G. griseus DD
    - Genus: Lagenodelphis
      - Fraser's dolphin, L. hosei DD
    - Genus: Orcinus
      - Killer whale, O. orca DD
    - Genus: Peponocephala
      - Melon-headed whale, P. electra DD
    - Genus: Pseudorca
      - False killer whale, P. crassidens DD
    - Genus: Stenella
      - Pantropical spotted dolphin, S. attenuata DD
      - Clymene dolphin, S. clymene DD
      - Striped dolphin, S. coeruleoalba DD
      - Atlantic spotted dolphin, S. frontalis DD
      - Spinner dolphin, S. longirostris DD
    - Genus: Steno
      - Rough-toothed dolphin, S. bredanensis DD
    - Genus: Tursiops
      - Common bottlenose dolphin, T. truncatus
  - Family: Physeteridae (sperm whales)
    - Genus: Physeter
      - Sperm whale, P. macrocephalus VU
  - Family: Kogiidae (dwarf sperm whales)
    - Genus: Kogia
      - Pygmy sperm whale, K. breviceps DD
      - Dwarf sperm whale, K. sima DD
- Superfamily Ziphioidea
  - Family: Ziphidae (beaked whales)
    - Genus: Mesoplodon
      - Blainville's beaked whale, M. densirostris DD
      - Gervais' beaked whale, M. europaeus DD
    - Genus: Ziphius
      - Cuvier's beaked whale, Z. cavirostris DD

Order: Primates (primates)

There are 190 – 448 species of living primates, depending on which classification is used. They have an opposable thumb for grasping objects.

Suborder: Haplorhini
- Infraorder: Simiiformes
  - Family: Pitheciidae
    - Subfamily: Callicebinae
      - Tribe: Xenotrichini
        Genus: Antillothrix
        Hispaniola monkey, A. bernensis EX

Order: Carnivora (carnivorans)

There are over 260 species of carnivorans, the majority of which feed primarily on meat. They have a characteristic skull shape and dentition.

Suborder: Pinnipedia
- Family: Phocidae (earless seals)
  - Genus: Neomonachus
    - Caribbean monk seal, N. tropicalis EX
Family: Procyonidae
- Genus: Procyon
  - Common raccoon, P. lotor LC introduced
Family: Herpestidae
- Genus: Urva
  - Small Indian mongoose, U. auropunctata LC^[3] introduced

Order: Artiodactyla (even-toed ungulates)

The even-toed ungulates are ungulates – hoofed animals – which bear weight equally on two (an even number) of their five toes: the third and fourth. The other three toes are either present, absent, vestigial, or pointing posteriorly.

Family: Cervidae
- Subfamily: Capreolinae
  - Genus: Odocoileus
    - White-tailed deer, O. virginianus LC introduced
Family Suidae (pigs)
- Genus: Sus
  - Wild boar, S. scrofa LC introduced
  - Creole pig

Status: Extant

Notes

^ This list is derived from the IUCN Red List which lists species of mammals and includes those mammals that have recently been classified as extinct (since 1500 AD). The taxonomy and naming of the individual species is based on those used in existing Wikipedia articles as of 21 May 2007 and supplemented by the common names and taxonomy from the IUCN, Smithsonian Institution, or University of Michigan where no Wikipedia article was available.
^ Fabre, P.-H., Upham, N. S., Emmons, L. H., Justy, F., Leite, Y. L. R., Loss, A. C., Orlando, L., Tilak, M.-K., Patterson, B. D., and Douzery, E. J. P. (2017). Mitogenomic Phylogeny, Diversification, and Biogeography of South American Spiny Rats. Molecular Biology and Evolution. 34 (3): 613–633. Retrieved from https://www.mammaldiversity.org/explore.html#species-id=1001393.
^ Jennings, A.; Veron, G. (2016). "Herpestes auropunctatus". IUCN Red List of Threatened Species. 2016: e.T70204120A70204139. doi:10.2305/IUCN.UK.2016-1.RLTS.T70204120A70204139.en. Retrieved 18 November 2021.

References

"The IUCN Red List of Threatened Species: Mammals of Dominican Republic". IUCN. 2001. Retrieved 22 May 2007. ^{[dead link‍]}
"Mammal Species of the World". Smithsonian National Museum of Natural History. 2005. Archived from the original on 27 April 2007. Retrieved 22 May 2007.
"Animal Diversity Web". University of Michigan Museum of Zoology. 1995–2006. Retrieved 22 May 2007.