Tjeldsund is a municipality in Nordland county, Norway. It is part of the traditional district of Ofoten. The administrative centre of the municipality is the village of Hol i Tjeldsund. Other important villages include Fjelldal, Myklebostad, and Ramsund. Norges Brannskole (Norway's education and training center for firemen) is situated in Fjelldal in the northeastern part of the municipality. Marinejegerkommandoen is based south of Ramsund.

Tjeldsund is a municipality in Nordland county, Norway. It is part of the traditional district of Ofoten. The administrative centre of the municipality is the village of Hol i Tjeldsund. Other important villages include Fjelldal, Myklebostad, and Ramsund. Norges Brannskole (Norway's education and training center for firemen) is situated in Fjelldal in the northeastern part of the municipality. Marinejegerkommandoen is based south of Ramsund.