Bathyergus suillus (Schreber, 1782) is a bathyergid commonly known as the Cape dune mole-rat. A solitary-dwelling and sexually dimorphic species, it is the largest in body size of the African mole-rats, and 1 of 2 species within the genus. It is endemic to sandy soils of the southeastern and northwestern coastal regions of South Africa and the southwestern coast of Namibia. It is currently not of special conservation concern.