The Cedros Island mule deer (Odocoileus hemionus cerrosensis ) is a subspecies of mule deer found only on Cedros Island off the coast of Baja California. Only about 50 individuals remain, with no captive population. Its behavior is similar to that of other subspecies of mule deer. The subspecies is threatened by feral dogs and poaching.
Cedros deer primarily occupy the northern side of the island, being less common in the southern section, where human activity is more prevalent.