Jørstadmoen is a village in Lillehammer Municipality in Innlandet county, Norway. The village is located along the river Gudbrandsdalslågen, about 4 km to the northwest of the town of Lillehammer. The 0.8 km2 village has a population (2021) of 661 and a population density of 825 PD/km2. The village is the site of the Jørstadmoen leir, a military base that is the main base for the Norwegian Cyber Defence Force as well as the Cyber Engineer Academy. The village also has a school, grocery store, and sports facilities.