Giske is an island in Giske Municipality in Møre og Romsdal county, Norway. It covers an area of 2.67 square kilometers. It is flat, with the highest point 23 meters above the mean sea level. The island is connected by the Giske Bridge to the neighboring island of Valderøya to the east and by the Godøy Tunnel to the island of Godøya to the southwest. Giske Church, dating back to the 12th century, sits on the southern coast of the island.
Location of Giske