Roslagen Marine Regiment (, RMR), was a Swedish Navy coastal artillery unit which operated between from 1956 to 2000. The unit was based at Hamnholmen in Norrtälje Municipality.
Roslagen Marine Regiment was raised in 1956 as the 1st Coastal Artillery Brigade (Första kustartilleribrigaden, KAB 1). The brigade was then in the peace organization under the Vaxholm Coastal Artillery Regiment (KA 1), but was an independent unit in the war organization. The brigade consisted initially in the war organization of a staff at Hamnholmen and two barrier battalions (spärrbataljoner) based in Arholma and Söderarm as well as local defence battalions. In 1984, the brigade's war organization consisted of three barrier battalions, Roten, Arholma and Söderarm, and local defense battalions. On 1 July 1994, the brigade was also separated from the regiment in the peace organization and reorganized into the Roslagen Marine Brigade (Roslagens marinbrigad, RMB).
The big difference from 1994 was that the brigade was now called marine brigade. It was because the Swedish Navy's naval base service units merged with the coastal artillery's brigade service units and was now part of the marine brigades. This is a continuation of the integration of marine units on a lower level. On 1 January 1998, the war organization within the coastal artillery was reduced, whereby the Roslag Marine Brigade was reduced to a regiment, and received the new name Roslagen Marine Regiment (RMR). The regiment was disbanded on 30 June 2000 in connection with the Defence Act of 2000.
The coat of arms of the Roslagen Marine Brigade (RMB) 1994âÂÂ1997 and Roslagen Marine Regiment (RMR) 1997âÂÂ2000. Blazon: "Per pale or an inverted anchor sable and a zure an anchor surmounted two gunbarrels of older pattern in saltire, all or".
On 1 July 2000, the Södertörn Group (Södertörnsgruppen) was raised, consisting of two battalions, Södertörn Home Guard Battalion and Roslagen Home Guard Battalion. Roslagen Home Guard Battalion was the traditional keeper of the Roslagen Marine Brigade. In 2017 (or 2018), the traditions were transferred to the Södertörn Group, this after the decision that the Home Guard battalions should bear the insignia of the 1st Marine Regiment (Amf 1) as a unit insignia.