| Blue Downs | |
| Pushpin Map: | South Africa Western Cape#South Africa |
| Coordinates: | -34°N 18.6975°W |
| Subdivision Type: | Country |
| Subdivision Name: | South Africa |
| Subdivision Type1: | Province |
| Subdivision Name1: | Western Cape |
| Subdivision Type2: | District |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | City of Cape Town |
| Subdivision Type4: | Main Place |
| Established Title: | Established |
| Government Type: | Metropolitan City Council |
| Leader Party: | DA |
| Leader Title: | Councillor |
| Leader Name: | Cynthia Claasen (Ward 19) (DA) Bert Van Dalen (Ward 14) |
| Area Footnotes: | [1] |
| Area Total Km2: | 24.57 |
| Population Total: | 92330 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Demographics Type1: | Racial makeup (2011) |
| Demographics1 Title1: | Black African |
| Demographics1 Info1: | 22.9% |
| Demographics1 Title2: | Coloured |
| Demographics1 Info2: | 74.9% |
| Demographics1 Title3: | Indian/Asian |
| Demographics1 Info3: | 0.5% |
| Demographics1 Title4: | White |
| Demographics1 Info4: | 0.3% |
| Demographics1 Title5: | Other |
| Demographics1 Info5: | 1.3% |
| Demographics Type2: | First languages (2011) |
| Demographics2 Title1: | Afrikaans |
| Demographics2 Info1: | 63.6% |
| Demographics2 Title2: | Xhosa |
| Demographics2 Info2: | 17.0% |
| Demographics2 Title3: | English |
| Demographics2 Info3: | 15.8% |
| Demographics2 Title5: | Other |
| Demographics2 Info5: | 3.5% |
| Timezone1: | SAST |
| Utc Offset1: | +2 |
| Postal Code Type: | Postal code (street) |
| Postal Code: | 7100 |
| Postal2 Code Type: | PO box |
| Postal2 Code: | 7105 |
| Area Code Type: | Area code |
| Area Code: | 021 |
Blue Downs is a town in the Western Cape, South Africa. It forms part of the Eastern Suburbs Zone of the City of Cape Town situated on the eastern outskirts of the city and is also located on the Cape Flats, a flat expanse of land east of Cape Town.
The suburb is one of the outlying areas of Cape Town that has been targeted by the Western Cape provincial government for development. Planned developments include improved public transportation for the area and the building of additional schools.