Lom is a municipality in Innlandet county, Norway. It is located in the traditional district of Gudbrandsdal. The administrative centre of the municipality is the village of Fossbergom. Another village area in Lom is Elvesæter. The 1,969-square-kilometre (760 sq mi) municipality is the 38th largest by area out of the 356 municipalities in Norway. Lom is the 266th most populous municipality in Norway with a population of 2,211. The municipality's population density is 1.2 inhabitants per square kilometre (3.1/sq mi) and its population has decreased by 7.2% over the previous 10-year period.