Efjorden (Norwegian) or Áhtávuodna (Lule Sami) is a fjord in the municipality of Ballangen in Nordland county, Norway. It is an arm off of the main Ofotfjorden, stretching about to the south. The Efjord Bridges on the European route E06 highway cross the fjord on their way to Narvik. Norwegian National Road 827 follows the western shore of the fjord from the Efjord Tunnel from Tysfjord to the E6 highway.

Efjorden (Norwegian) or Áhtávuodna (Lule Sami) is a fjord in the municipality of Ballangen in Nordland county, Norway. It is an arm off of the main Ofotfjorden, stretching about to the south. The Efjord Bridges on the European route E06 highway cross the fjord on their way to Narvik. Norwegian National Road 827 follows the western shore of the fjord from the Efjord Tunnel from Tysfjord to the E6 highway.