| Diep River | |
| Coordinates: | -34.0342°N 18.4644°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 |
| Subdivision Name4: | Cape Town |
| Established Title: | Established |
| Leader Title: | Councillor |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.75 |
| Population Total: | 2515 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Demographics Type1: | Racial makeup (2011) |
| Demographics1 Title1: | Black African |
| Demographics1 Info1: | 11.8% |
| Demographics1 Title2: | Coloured |
| Demographics1 Info2: | 24.8% |
| Demographics1 Title3: | Indian/Asian |
| Demographics1 Info3: | 0.7% |
| Demographics1 Title4: | White |
| Demographics1 Info4: | 60.2% |
| Demographics1 Title5: | Other |
| Demographics1 Info5: | 2.4% |
| Demographics Type2: | First languages (2011) |
| Demographics2 Title1: | English |
| Demographics2 Info1: | 82.3% |
| Demographics2 Title2: | Afrikaans |
| Demographics2 Info2: | 9.7% |
| Demographics2 Title3: | Xhosa |
| Demographics2 Info3: | 1.0% |
| Demographics2 Title5: | Other |
| Demographics2 Info5: | 6.9% |
| Timezone1: | SAST |
| Utc Offset1: | +2 |
| Postal Code Type: | Postal code (street) |
| Postal Code: | 7800, 7945 |
| Postal2 Code Type: | PO box |
| Area Code Type: | Area code |
Diep River is a suburb in Cape Town, South Africa, named after the Diep River that runs through the area. The suburb is bordered by Heathfield to the south and Plumstead to the north. Diep River railway station is on the main line from Cape Town to Simon's Town. The suburb is close to schools and shopping centres.