Fossbergom, also known as Lom, is a village located in Norway that serves as the administrative center of Lom Municipality within Innlandet county. It is situated on the south shore of the river Otta at the northern end of the Bøverdal valley.
The village covers an area of 1.47 square kilometres (360 acres) and had a population of 839 residents in 2024, resulting in a population density of 571 inhabitants per square kilometre. As the primary population center for the municipality, Fossbergom features a local economy where a significant portion of the workforce is employed in the tourism, commerce, and service sectors.