Tresfjorden is a fjord in Vestnes Municipality in Møre og Romsdal county, Norway. The 12-kilometre (7.5 mi) long fjord branches off of the main Romsdalsfjorden, and it is one of the two main fjords that cut into the municipality. The village of Vestnes sits at the mouth of the fjord (on the west side) and the village of Vikebukt sits at the mouth of the fjord (on the east side).