isiNdebele, also known as Southern Ndebele is an African language belonging to the Mbo group of Bantu languages, spoken by the Ndebele people of South Africa.

AmaNdebele are an ethnic group native to South Africa who speak isiNdebele. They mainly inhabit the provinces of Mpumalanga, Gauteng and Limpopo, all of which are in the northeast of the country. In academia this ethnic group is referred to as the Southern Ndebele to differentiate it from their relatives the Northern Ndebele people of Limpopo and Northwest.