Lower Norrland Military District (Swedish: Nedre Norrlands militärområde, Milo NN), originally II Military District (Swedish: II.

militärområdet) 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.

Milo NN was created in 1966 along with five other military districts as part of a reorganisation of the administrative divisions of the Swedish Armed Forces.

In peacetime the Lower Norrland Military District consisted of the following units, which were training recruits for wartime units: In wartime the Lower Norrland Military District would have activated the following major land units, as well as a host of smaller units: The coat of arms of the Lower Norrland Military District Staff 1983–1993.

Blazon: "Azur, an erect sword with the area letter (NN - Lower Norrland) surrounded by an open chaplet of oak leaves, all or.