| Koopmansfontein | |
| Pushpin Map: | South Africa Northern Cape#South Africa |
| Coordinates: | -28.241°N 24.037°W |
| Subdivision Type: | Country |
| Subdivision Name: | South Africa |
| Subdivision Type1: | Province |
| Subdivision Name1: | Northern Cape |
| Subdivision Type2: | District |
| Subdivision Name2: | Frances Baard |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Dikgatlong |
| Subdivision Type4: | Main Place |
| Established Title: | Established |
| Population Density Km2: | auto |
| Demographics1 Title1: | Black African |
| Demographics1 Title2: | Coloured |
| Demographics1 Title3: | Indian/Asian |
| Demographics1 Title4: | White |
| Demographics1 Title5: | Other |
| Timezone1: | SAST |
| Utc Offset1: | +2 |
| Postal Code Type: | Postal code (street) |
| Postal2 Code Type: | PO box |
| Postal2 Code: | 8391 |
| Area Code Type: | Area code |
Koopmansfontein is a village 61 km north-west of Barkly West, 115 km east of Postmasburg, between Kimberley and Hotazel. Said to have been named after a Griqua called Koopman, who lived at the fountain.