Herøy is a municipality in Møre og Romsdal county, Norway. It is part of the Sunnmøre region. The administrative centre is the town of Fosnavåg on the island of Bergsøya. The industrial area of Eggesbønes is located south of Fosnavåg on the same island. The Runde Environmental Centre is located in the northern part of the municipality on Runde island. Other population centres in Herøy include the villages of Leikong, Kvalsund, or Moltustranda.