Bjørøya[1] is an island in the Folda sea, just south of the Namsenfjorden in Flatanger Municipality in Trøndelag county, Norway.

The 3.8-square-kilometre (1.5 sq mi) island lies about 5 kilometres (3.1 mi) east of the island of Villa and about 5 kilometres (3.1 mi) north of the island of Lauvøya.

The island has several large peat bogs as well as a farm.

Ellingråsa Lighthouse is located on the northwest part of the island.

This article about an island in Trøndelag is a stub.