Lia is a village in Sør-Fron Municipality in Innlandet county, Norway. The village is located in the Gudbrandsdal valley along the south shore of the Gudbrandsdalslågen river, about 2 kilometres (1.2 mi) to the southeast of the village of Hundorp which lies on the other side of the river. The 0.42-square-kilometre (100-acre) village has a population (2021) of 277 and a population density of 659 inhabitants per square kilometre (1,710/sq mi).