| Outer Kitsissut | |
| Local Name: | Ydre Kitsissut Torstein Islands |
| Map: | Greenland |
| Location: | Labrador Sea Southern Greenland |
| Coordinates: | 60.75°N -72°W |
| Major Islands: | Thorstein |
| Elevation M: | 116 |
| Country: | Greenland |
| Country Admin Divisions Title: | Municipality |
| Country Admin Divisions: | Kujalleq |
| Population: | 0 |
Outer Kitsissut (da|Ydre Kitsissut, old spelling Ydre Kitsigsut), also known as Thorstein Islands[1] or Torstein Islands,[2] is an island group in the Kujalleq municipality in southern Greenland.
Outer Kitsissut is located 9.50NaN0 to the west-north-west of Cape Desolation 5 km from the shore. It is a compact cluster of small islets and rocks, with a length of 10 km and a width of 5 km.[3] The highest and largest islet is Thorstein Island in the centre of the group, having a maximum length of about 0.7 km with a maximum height of 116 m.
The Inner Kitsissut group lies 4 km to the northeast of the northern end of the cluster at the mouth of the Coppermine Bay.[4]