Sunnylven Municipality

Sunnylven is a former municipality in Møre og Romsdal county, Norway. The 566-square-kilometre (219 sq mi) municipality existed from 1838 until its dissolution in 1965. Since that time, it has made up the southern part of the present-day Stranda Municipality. It encompassed the areas around the Sunnylvsfjorden and Geirangerfjorden. The village of Hellesylt was the administrative centre of the municipality and Geiranger was the other main population centre in Sunnylven. The main church for the municipality was Sunnylven Church in Hellesylt.

Prior to its dissolution in 1965, the 566-square-kilometre (219 sq mi) municipality was the 184th largest by area out of the 525 municipalities in Norway. Sunnylven Municipality was the 472nd most populous municipality in Norway with a population of about 1,226. The municipality's population density was 2.2 inhabitants per square kilometre (5.7/sq mi) and its population had decreased by 5.6% over the previous 10-year period.