Stokkøya[1] is an island in Åfjord Municipality in Trøndelag county, Norway.

The 16.7-square-kilometre (4,100-acre) island is located in the northern part of the municipality.

The 225-metre (738 ft) tall mountain Kamman is the highest point on the island.

The Linesøy Bridge is being built connecting Stokkøya to the island of Linesøya to the southwest.

The smaller island of Lauvøya lies about 10 kilometres (6.2 mi) to the south.