| Location: | Nordland, Norway |
| Coordinates: | 69.1678°N 15.8845°W |
| Archipelago: | Vesterålen |
| Area Km2: | 489 |
| Rank: |
|
| Length Km: | 57 |
| Width Km: | 15 |
| Elevation M: | 705 |
| Highest Mount: | Kvasstinden |
| Country: | Norway |
| Country Admin Divisions Title: | County |
| Country Admin Divisions: | Nordland |
| Country Admin Divisions Title 1: | Municipality |
| Country Admin Divisions 1: | Andøy Municipality |
,, or [1] is the northernmost island in the Vesterålen archipelago, situated about inside the Arctic Circle. Andøya is located in Andøy Municipality in Nordland county, Norway. The main population centres on the island include the villages of Andenes, Bleik, and Risøyhamn.
The island has an area of, making it the tenth largest island in Norway. The island is connected to the neighboring island of Hinnøya via the Andøy Bridge. The Andfjorden lies to the east of the island, the Risøysundet strait lies to the south and east side of the island, and the Gavlfjorden lies to the southwest side. The Norwegian Sea lies to the west and north.[2]
The numerous bog areas on Andøya are used for the extensive production of peat. Andøya is also well known for its cloudberries. Besides the flat and largely continuous bog areas, Andøya also consists of steep mountain ranges reaching up to high. The sharp peak of Kvasstinden is the highest point on the island at . Andøya Space, which was founded in 1962, is also located on the island near the Andøya Air Station.[3]
A 10000ha area comprising low-lying boggy ground in central Andøya, along with a stretch of the eastern coast and the lake of Skogvollvatnet on the west coast, has been designated an Important Bird Area (IBA) by BirdLife International (BLI) because it supports several thousand barnacle and pinkfooted geese on passage migration, as well as about ten breeding pairs of Eurasian curlews. Protected areas within or overlapping the site include the Skogvoll, Risøysundet, and Åholmen nature reserves and the Skogvoll and Risøysundet Ramsar sites.[4]