Martin Rasmussen Hjelmen (24 January 1904 – 30 May 1944) was a Norwegian sailor and communist activist.

He went to work at sea from the age of fifteen, and was based in Australia in the 1920s.

[2] He chaired the Norwegian branch of the Wollweber League from 1936 to 1938.

He was arrested in Sweden in February 1940, and later handed over to the Gestapo.

[3] He was the first leader of the Osvald Group, until he in 1938 transferred to Saborg in Bergen.