Finnøya or Finnøy may refer to:
Places Norway Finnøy Municipality, a former municipality in Rogaland county Finnøy (island), an island in Stavanger Municipality, Rogaland county Finnøya, Agder, an island in Risør Municipality, Agder county Finnøya, Bø, an island in Bø Municipality, Nordland county Finnøya, Finnmark, an island in Hammerfest Municipality, Finnmark county Finnøya, Møre og Romsdal, an island in Ålesund Municipality, Møre og Romsdal county Finnøya, Nordland, an island in Hamarøy Municipality, Nordland county Finnøy, Stavanger, a borough in the large Stavanger Municipality in Rogaland county Finnøya, Vågan, an island in Vågan Municipality, Nordland county
Other Finnøy Tunnel, an undersea road tunnel in Rogaland county, Norway