Atna is a village in the Stor-Elvdal municipality, in Hedmark county, Norway. It lies in the Østerdalen valley between Koppang and Alvdal. It has a train halt on the Rørosbanen where the train stops by request. The Rondane mountains, Gudbrandsdal valley, and Ringebu are nearby. There is a brewery founded by Morten M (of Verdens Gang) and a group of local investors including Sverre Oskar Øverby.