| Tiwai Island | |
|---|---|
IUCN category IV (habitat/species management area) | |
  Location of Tiwai Island in Sierra Leone | |
| Location | Southern Province Sierra Leone |
| Nearest city | Kenema |
| Coordinates | 7°32′39″N 11°20′56″W / 7.54413°N 11.34878°W |
| Area | 1,200 hectares (12 km2) |
| Established | 1 January 1987 |
| Governing body | Environmental Foundation for Africa |
Tiwai Island (Mende for 'Big Island') is a wildlife sanctuary and tourist site in Sierra Leone. Run by the non-governmental organization Environmental Foundation for Africa, Tiwai is 12 square kilometers in area and located on the Moa River in the Southern Province. It is also one of the largest inland islands in the country.