Diepgezet is a deserted town part of the Chief Albert Luthuli Local Municipality in the Gert Sibande District Municipality in the Mpumalanga province of South Africa.
Formerly an asbestos mining town owned by Msauli and African Chrysotile Asbestos Limited (ACA) before abandonment in 2002 due to the imminent closure of the mine as a result of a proposed ban on the usage of asbestos eventually signed into law in 2008.