Leksvik is a village and a municipality in Nord-Trøndelag county, Norway. The administrative center of the municipality is the village of Leksvik. Other villages in Leksvik include Vanvikan, Seter, and Dalbygda. Norwegian County Road 755 is the main road that connects the whole municipality from north to south.
The 1.18-square-kilometre (290-acre) village of Leksvik has a population (2013) of 1,092. The population density of the village is 925 inhabitants per square kilometre (2,400/sq mi). Leksvik and Vanvikan are especially known for their high tech industries which have developed to become advanced and in demand. Areas with agriculture are also widespread, but most of the municipality is covered in forests and mountains where the wildlife rules with animals such as moose and reindeer. The moose go all the way down to the heart of Leksvik and Vanvikan, where modern downtown areas with commercial and residential developments are growing.
Leksvik was established as a municipality on 1 January 1838 (see formannskapsdistrikt). It is one of very few municipalities in Norway with unchanged borders since that date.