Vanna or Vannøya is a rocky island in the municipality of Karlsøy in Troms county, Norway. At , Vanna is the 17th largest island in Norway by area. The highest peak is the mountain Vanntinden at a height of above sea level. The population of the island (2001) is 973. Vannvåg and Vannareid are the two main population centres on the island.  Sengskroken Church is located on the western coast of the island.

Vanna or Vannøya is a rocky island in the municipality of Karlsøy in Troms county, Norway. At , Vanna is the 17th largest island in Norway by area. The highest peak is the mountain Vanntinden at a height of above sea level. The population of the island (2001) is 973. Vannvåg and Vannareid are the two main population centres on the island.  Sengskroken Church is located on the western coast of the island.