Abudefduf natalensis,[1] known as the Natal sergeant, is a species of damselfish in the family Pomacentridae. It is native to the tropical western Indian Ocean, where it is known from Madagascar, Mauritius, Réunion, and South Africa from KwaZulu-Natal to the Eastern Cape. Adults of the species are typically found in rocky reefs at depths of . The species is known to be oviparous, with individuals forming distinct pairs during breeding and males guarding and aerating eggs. Abudefduf natalensis reaches in total length.