Dyrøy is a municipality in Troms county, Norway. The administrative centre of the municipality is the village of Brøstadbotn. Other villages include Dyrøyhamn, Espenes, Holm, and Hundstrand.
The municipality is named after the island of Dyrøya, which is connected with the mainland with the modern Dyrøy Bridge. Most people, however, don't live on the island, but live in Brøstadbotn on the mainland.