Coordinates: 68°40′58.1″N 14°47′22.5″E / 68.682806°N 14.789583°E Hellfjorden is a fjord in Vesterålen, in Norway. It is an arm of Eidsfjorden in the Sortland and Hadsel municipalities in Nordland.
Hellfjorden is a 6.5 km long fjord on the north side of Eidsfjorden on Langøya in Vesterålen in Nordland . The border between the municipalities Bø and Sortland is in the middle of the bay.
The bay has an inlet between the headland Oksneset next to Guvåg in the west and the peninsula Hellfjordklubben to the east. In the outer part of the fjord islands Storøya, Ramnøya, Torskøya and Slåttøya middle of the bay. Further up is the islands Reinøya and Teistøya. Vestpolløya is a peninsula almost at the head of the fjord. It extends north-east of the west and east of the peninsula lies fjord Vestpollen. From here Hellfjorden extends a half mile further north to the end of the fjord. There are no major settlements along the fjord and no road connection, but the abandoned farm Hellfjorden located on the east side of the bay.