Sanna[1] is an island and village area in Træna Municipality in Nordland county, Norway.

The island is located less than 1 kilometre (0.62 mi) west of the main island of Husøya.

The island has five characteristic mountaintops, the highest is the 338-metre (1,109 ft) tall Trænstaven.

The Traena Music Festival is held on this island each year.

This article about an island in Nordland is a stub.