Kamień Lagoon is a lagoon on the Oder River in north-western Poland. It is part of the Dziwna.

Both the lagoon and the Dziwna are part of Poland's internal waters.^{[citation needed]}

Several settlements lie on the shores of the lagoon, notably (in order of population) Kamień Pomorski, Dziwnów, Międzywodzie, Wrzosowo and Dziwnówek. There are also three small villages on Chrząszczewska Island: Chrząszczewo, Chrząszczewko and Buniewice.

Until 1945, the lagoon was referred to by its German name of Camminer Bodden.^{[citation needed]} In 1949, it officially became called Kamieński Zalew,^{[citation needed]} and in 1991 the words in its name were reversed, its new name being Zalew Kamieński.^{[citation needed]}

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  A map of the Kamień Lagoon and its surroundings.
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  A view of the lagoon from Chrząszczewska Island.
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  The pier in Kamień Pomorski, which hangs over the lagoon.
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  Boats moored on the lagoon at Międzywodzie.