| Foster Bay | |
|---|---|
| Foster Bugt | |
  Foster Bay Location in Greenland | |
| Location | Arctic |
| Coordinates | 73°15′N 21°30′W / 73.250°N 21.500°W |
| Ocean/sea sources | Greenland Sea |
| Basin countries | Greenland |
Foster Bay (Danish: Foster Bugt) is a large bay of the Greenland Sea in King Christian X Land, Eastern Greenland. Administratively it belongs to the NE Greenland National Park area.