'Stronda Fjord') is a lake which lies in the municipalities of Nord-Aurdal and Vestre Slidre in Innlandet county, Norway.

[2] The northwest end of the lake is crossed by the Ulnes Bridge in the village of Røn.

The European route E16 highway runs along the north shore of the lake, for its whole length.

The Strondafjorden is a reservoir for the Faslefoss hydroelectric power plant.

At the outlet of the dam, there is the 37-metre (121 ft) tall Faslefoss waterfall.