List of mammals of Wallis and Futuna
# List of mammals of Wallis and Futuna

This is a list of the mammal species recorded in Wallis and Futuna. There are five mammal species in Wallis and Futuna, all of which are marine mammals of the order Cetacea.

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

| 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: 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: Odontoceti
   * Superfamily: Platanistoidea
      * Family: Ziphidae
         * Subfamily: Hyperoodontinae
            * Genus: Mesoplodon
               * Blainville's beaked whale, Mesoplodon densirostris DD
               * Ginkgo-toothed beaked whale, Mesoplodon ginkgodens DD
      * Family: Delphinidae (marine dolphins)
         * Genus: Stenella
            * Spinner dolphin, Stenella longirostris LR/cd
         * Genus: Lagenodelphis
            * Fraser's dolphin, Lagenodelphis hosei DD
         * Genus: Feresa
            * Pygmy killer whale, Feresa attenuata DD
