List of mammals of Saint Helena

This is a list of the mammal species recorded in Saint Helena.

[1] The following tags are used to highlight each species' conservation status as assessed by the International Union for Conservation of Nature: Some species were assessed using an earlier set of criteria.

Species assessed using this system have the following instead of near threatened and least concern categories: 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.

There are over 260 species of carnivorans, the majority of which feed primarily on meat.