The Fjørtoftfjord Tunnel () is an undersea road tunnel in Sunnmøre, Norway. The tunnel connects the village of Myklebust on the island of Harøya (in Ålesund Municipality) to the island of Fjørtofta (in Haram Municipality). The long tunnel opened on 16 June 2022 and it reaches a depth of below sea level. It is part of Norwegian County Road 659 and the Nordøyvegen road network.