Hadsel (Northern Sami: Válafierda) is a municipality in Nordland county, Norway.

Some of the main villages in Hadsel include Fiskebøl, Jarstad, Grønning, Grytting, Hanøyvika, Hennes, Kaldjorda, Melbu, Sanden, and Sandnes.

On 1 January 1963, the Indre Eidsfjord district of Hadsel (population: 1,360) was transferred to Sortland Municipality.

The first element is the genitive case of hǫfði which means "high and steep cliff" or "head".

The official blazon is "Azure, four annulets Or, two and two" (Norwegian: I blått fire gull ringer - 2,2).

The charge has a tincture of Or which means it is commonly colored yellow, but if it is made out of metal, then gold is used.

The four rings represent the four main islands of that make up Hadsel: Hadseløya, Austvågøya, Hinnøya, and Langøya.

'the inland'), and this area includes the villages of Kaldjorda, Hennes, Kvitnes, Kvantoelv, and Fiskfjord.

[15] The facility [was using] around 40% of the power consumed in the whole municipality, heavily impacting the local electric grid.

The municipal council (Kommunestyre) of Hadsel is made up of 25 representatives that are elected to four year terms.