Upper Norrland Military District, originally VI Military District was a Swedish military district, a command of the Swedish Armed Forces that had operational control over Upper Norrland, for most time of its existence corresponding to the area covered by the counties of Västerbotten and Norrbotten. The headquarters of Milo ÖN were located in Boden.

Lower Norrland Military District, originally II Military District was a Swedish military district, a command of the Swedish Armed Forces that had operational control over Lower Norrland, for most time of its existence corresponding to the area covered by the counties of Västernorrland, Jämtland and the northern part of Gävleborg. The headquarters of Milo NN were located in Östersund.