Bergsøya is an island in the municipality of Herøy in Møre og Romsdal county, Norway.

The island is the location of the town of Fosnavåg as well as the Eggesbønes industrial area.

The Nerlandsøy Bridge connects it to the island Nerlandsøya (to the northwest) and a small road bridge connects it to Leinøya (to the east).

The highest point on the island is Igesundshetta which is 216 metres (709 ft) above sea level.

This article about an island in Møre og Romsdal is a stub.