Holskardvatnet is a lake in the municipality Vik in Sogn og Fjordane county, Norway. It is located just less than 100 metres (330 ft) north of the municipality (and county) border with Modalen in Hordaland county. The lake is 20 kilometres (12 mi) south of the village of Ortnevik in neighboring Høyanger Municipality, about 13 kilometres (8.1 mi) southwest of the village of Arnafjord, and about 28 kilometres (17 mi) southwest of the municipal center of Vikøyri.