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- (West Coast District Municipality) Langebaan
- (Eden District Municipality) Lappiesbaai
- (Eden District Municipality) Laudina
- (Central Karoo District Municipality) Leeu-Gamka
- (Eden District Municipality) Leeuwbosch
- (Eden District Municipality) Lopenderivier
- (Eden District Municipality) Leisure Isle
- (City of Cape Town) Lakeside
- (City of Cape Town) Loevenstein
- (West Coast District Municipality) Laaiplek
- (Cape Winelands District Municipality) Laaiplek
- (Cape Winelands District Municipality) Laatsrivier
- (Overberg District Municipality) Lake Marina
- (West Coast District Municipality) Lamberts Bay
- (West Coast District Municipality) Laingville
- (West Coast District Municipality) Langebaanweg
- (Overberg District Municipality) Langkloof
- (West Coast District Municipality) Leipoldtville
- (West Coast District Municipality) Le Souvenir
- (City of Cape Town) Llandudno
- (Cape Winelands District Municipality) Lochlynne
- (City of Cape Town) Loch Venus
- (City of Cape Town) Lotus River
- (West Coast District Municipality) Lutzville
- (City of Cape Town) Lentegeur
- (City of Cape Town) Lwandle