Rensvik is a village in Kristiansund Municipality in Møre og Romsdal county, Norway. The village is located on the northern part of the island of Frei, just west of the Omsund Bridge which connects to the island of Nordlandet to the north. The 1.7-square-kilometre (420-acre) village has a population (2018) of 2,532 and a population density of 1,489 inhabitants per square kilometre (3,860/sq mi).