Reinøya may refer to:
Reinøya, Troms – an island in the Karlsøy municipality in Troms Reinøya, Vardø – an island in the Vardø municipality in Finnmark Reinøya, Porsanger – an island in the Porsanger municipality in Finnmark Reinøya, Sør-Varanger – an island in the Sør-Varanger municipality in Finnmark Reinøya, Måsøy – an island in the Måsøy municipality in Finnmark