Reinøya may refer to:
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Reinøya, Troms
or is an island in Karlsøy Municipality in Troms county, Norway. The lies directly east of the large island of Ringvassøya, and the small island of Karlsøya (Troms), Karlsøya lies to the north of the island. The Ullsfjorden lies along the ...
– an island in the Karlsøy municipality in Troms
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Reinøya, Vardø – an island in the Vardø municipality in Finnmark
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Reinøya, Porsanger – an island in the Porsanger municipality in Finnmark
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Reinøya, Sør-Varanger – an island in the Sør-Varanger municipality in Finnmark
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Reinøya, Måsøy – an island in the Måsøy municipality in Finnmark
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