| Tamatea / Dusky Sound | |
|---|---|
| Tamatea (Māori) | |
 Tamatea / Dusky Sound | |
 | |
.png)  Tamatea / Dusky Sound Location in New Zealand | |
| Location | Tasman Sea |
| Coordinates | 45°44′57″S 166°47′12″E / 45.7492°S 166.7866°E |
| River sources | Mike River, Seaforth River, Shag River |
| Basin countries | New Zealand |
| Max. length | 40 km (25 mi) |
| Max. width | 8 km (5.0 mi) |
| Islands | Anchor Island, Cooper Island, Indian Island, Long Island. |
Tamatea / Dusky Sound is a fiord on the southwest corner of New Zealand, in Fiordland National Park.