Several ships of the Swedish Navy have been named HSwMS Munin, named after the son of Thor in Norse mythology:
was a torpedo boat launched in 1886 and which later was classified as patrol boat was a destroyer launched in 1911 and decommissioned in 1940 was a launched in 1942 and decommissioned in 1968 was a launched in 1977 and decommissioned in 2001