Hvalfjarðarstrandarhreppur was a municipality of Iceland. As of December 1, 2004, its population was 147.
On the 1st of June 2006 it merged, along with the former municipalities of Innri-Akraneshreppi, Leirár- og Melahreppi and Skilmannahreppi, in the new one of Hvalfjarðarsveit.