K
- (Eden District Municipality) Kammanassiedam
- (Eden District Municipality) Kafferkop
- (City of Cape Town) Klipheuwel
- (Eden District Municipality) Kwanokuthula
- (City of Cape Town) Kirstenhof
- (Cape Winelands District Municipality) Kylemore
- (Cape Winelands District Municipality) Kwaggaskloofdam
- (City of Cape Town) Kuils River
- (Overberg District Municipality) Koude Rivier
- (West Coast District Municipality) Koringberg
- (Cape Winelands District Municipality) Koo
- (Cape Winelands District Municipality) Koningsrivier
- (City of Cape Town) Kommetjie
- (City of Cape Town) Kogelfontein
- (West Coast District Municipality) Koelfontein
- (West Coast District Municipality) Koekenaap
- (West Coast District Municipality) Kliprand
- (Overberg District Municipality) Klipkraal
- (City of Cape Town) Klein Silwermyn
- (City of Cape Town) Kilfinan
- (City of Cape Town) Klaasjagersberg
- (West Coast District Municipality) Klawer
- (Overberg District Municipality) Kleinbaai
- (Cape Winelands District Municipality) Klein Bergrivier
- (Cape Winelands District Municipality) Klein-Drakenstein
- (Overberg District Municipality) Kleinmond
- (Eden District Municipality) Kurland
- (City of Cape Town) Klein Steenberg
- (Cape Winelands District Municipality) Kleinstraat
- (City of Cape Town) Kleinvlei