| Fortescue Bay | |
|---|---|
 Fortescue Bay at midday | |
  Fortescue Bay | |
| Location | Tasmania, Australia |
| Coordinates | 43°07′50.5194″S 147°58′13.029″E / 43.130699833°S 147.97028583°E |
| Type | Bay |
| Part of | Tasman National Park |
| Ocean/sea sources | South Pacific Ocean / Tasman Sea |
| Average depth | 30 m (98 ft) |
Fortescue Bay or Baje Dolomien is a bay in southeast Tasmania, Australia. It is located 10 km (6.2 mi) east of Port Arthur, Tasmania, and makes up part of Tasman National Park. Within the bay are two smaller nested bays, Canoe Bay and Bivouac Bay.