North Sea (disambiguation)
North Sea or Northern Sea may refer to:
- North Sea, a marginal sea east of Great Britain, south of Norway, west of Denmark, north of France
- North Sea, New York
- Yellow Sea, used in comparison to the East Sea (East China Sea) and South Sea (South China Sea) in naming of military units from China, in English and Chinese.
- Lake Baikal, the North Sea of the Four Seas
- Northern Sea or North Aral Sea
- Beihai (disambiguation), translated into English as North Sea
- Arctic Ocean
- The portion of the North Atlantic Ocean north of Iceland
- Oceanus Borealis, see Mars Ocean Hypothesis
- Boreal Sea
See also
- South Sea (disambiguation)
- East Sea (disambiguation)
- West Sea (disambiguation)