The Hedmark Museum (Hedmarksmuseet og Domkirkeodden in Norwegian) in Hamar, Norway is a regional museum for the municipalities of Stange, Hamar (which now includes Vang i Hedmark), Løten, andRingsaker in central eastern Norway. It also includes the Cathedral Ruins in Hamar mentioned in Sigrid Undset's magnum opus on Kristin Lavransdatter.