Væroya or Væroy is an island in Væroy Municipality in Nordland county, Norway. The 15.7-square-kilometre island makes up about 89% of the land area of the whole municipality and it is home to 100% of the municipal residents. The island has two villages on it: Nordland and Sorland. About 95% of the islands residents live in Sorland, which is also the administrative centre of the municipality. There is also the old village of Mostad on the southern part of the island. The Væroy Church and Old Væroy Church are both located on the island.
The island is located in the South of the Lofoten Islands, between the Islands of Moskenesoya and Rostlandet. A small, uninhabited island of Mosken is a short distance to the North of Væroya. In Moskenstraumen Strait lies to the North of the island, the Vestfjorden lies to the East and the Norwegian sea to the West. The highest point on the island is a 450-metre 1.480 high mountains Nordlandsnupen feet.
The Norwegian lundehund was the dog used in Væroy to hunt puffins on a narrow cliff on the island. Dog breed almost became extinct in the 20th century, but a few dogs left and since then unexpectedly bounced back.