Xonxa Dam, is a composite zoned earthfill/rockfill dam situated on the White Kei River in Eastern Cape, South Africa. It was established in 1972 and has a capacity of 158,500,000 cubic metres (5.60×10 cu ft). The wall is 48 metres (157 ft) high. The dam serves mainly for irrigation purposes and its hazard potential has been ranked high (3).

• List of reservoirs and dams in South Africa
• List of rivers of South Africa

• List of South African Dams from the Department of Water and Sanitation