Lahellefjord or Lahellefjorden is a minor fjord-arm off the main Tønsbergfjorden in Sandefjord Municipality in Vestfold county, Norway. The 5-kilometre (3.1 mi) long fjord stretches from Natholmen island to its base at the village of Lahelle. The fjord is one of four fjords located along the Sandefjord coast.

Islands and islets within the fjord include Natholmen (by its mouth), Faraholmen, Trondskjær, Rauern, Marøyskjæra, and Møyern.

See also

• List of Norwegian fjords