Polynya (disambiguation)

A polynya is a non-linear area of open water surrounded by sea ice.

Polynya may also refer to:
* Polynia (ship), a ship crushed in sea ice in 1891 and commemorated in the song Old Polina
* Kane’s Polynia, an open sea rumored to exist around the North Pole in the 19th century
* Polynia Island, an island in Canada once part of the of the British Arctic Territories