| Mariannwood Nature Reserve | |
| Map: | South Africa KwaZulu-Natal |
| Relief: | 1 |
| Location: | Pinetown, South Africa |
| Coordinates: | -29.8349°N 30.8367°W |
| Area: | 12ha |
| Governing Body: | eThekwini Metropolitan Municipality |
Mariannwood Nature Reserve is a 12 hectare protected area in Pinetown, KwaZulu-Natal in South Africa.[1] The park consists of scarp and riverine forest, as well as grasslands. The grasslands are noted for their flowers during the spring months.
The park has self-guided trails and picnic facilities.