Kasfjord is a village in the municipality of Harstad in Troms county, Norway. The village is located at the end of the Kasfjorden on the north side of Hinnøya island, about west of the town of Harstad and about south of Elgsnes. The Kasfjordvannet lake is located along the east side of the village. The village has a population (2011) of 252. The population density is .

Kasfjord is a village in the municipality of Harstad in Troms county, Norway. The village is located at the end of the Kasfjorden on the north side of Hinnøya island, about west of the town of Harstad and about south of Elgsnes. The Kasfjordvannet lake is located along the east side of the village. The village has a population (2011) of 252. The population density is .