Caswell Sound
| Taitetimu / Caswell Sound | |
|---|---|
| Taitetimu (Māori) | |
| Location | Tasman Sea |
| Coordinates | 45°0′0″S 167°07′30″E / 45.00000°S 167.12500°E |
| River sources | Stillwater River |
| Basin countries | New Zealand |
| Max. length | 16 km (9.9 mi) |
| Max. width | 1 km (0.62 mi) |
Taitetimu / Caswell Sound is a fiord of the South Island of New Zealand. It is one of the fiords that form the coast of Fiordland.