Slang River
{{Use South African English|date=July 2024}}
{{Use dmy dates|date=April 2022}}
{{more citations needed|date=January 2013}}
{{Infobox river
| name = Slang River
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| pushpin_map = South Africa
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| subdivision_type1 = Country
| subdivision_name1 = South Africa
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| subdivision_type3 = Region
| subdivision_name3 = Wakkerstroom, Mpumalanga
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| mouth_coordinates = {{coord|27|26|1|S|30|4|30|E|display=inline,title}}
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Slang River is a river in Mpumalanga, South Africa, near the towns of Volksrust and Wakkerstroom.{{cite web|title=Mpumalanga|url=http://www.ewisa.co.za/misc/wetlands/defaultrsampu.htm|work=Wetlands in South Africa|publisher=eWisa|accessdate=6 January 2013}} The Zaaihoek Dam lies on the river.{{cite web|title=Zaaihoek (reservoir)|url=http://www.dwaf.gov.za/iwqs/gis_apps/dam/dams/zaaihoek.htm|publisher=Department: Water Affairs|accessdate=6 January 2013}}