This is a list of the mammal species recorded in Tokelau. There are five mammal species in the waters off Tokelau, all of which are of the order Cetacea.
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.