| Lahellefjord | |
| Other Name: | Lahellefjorden |
| Location: | Vestfold county, Norway |
| Pushpin Map: | Norway Vestfold#Norway |
| Pushpin Label: | Lahellefjorden |
| Pushpin Label Position: | top |
| Pushpin Map Caption: | Location of the fjord |
| Basin Countries: | Norway |
| Coords: | 59.1291°N 10.2997°W |
| Type: | Fjord |
Lahellefjord or Lahellefjorden is a minor fjord-arm off the main Tønsbergfjorden in Sandefjord Municipality in Vestfold county, Norway. The 5km (03miles) long fjord stretches from Natholmen island to its base at the village of Lahelle.[1] The fjord is one of four fjords located along the Sandefjord coast.[2]
Islands and islets within the fjord include Natholmen (by its mouth), Faraholmen, Trondskjær, Rauern, Marøyskjæra, and Møyern.