Birger Edvin Martin Strømsheim, (11 October 1911 – 10 November 2012) was a Norwegian resistance member during World War II, especially noted for his role in the heavy water sabotage 1942–1943.
Strømsheim worked as a building contractor, and together with his wife Aase, in 1941 he fled by boat to Shetland, determined to join the war effort.
After the war, he returned to civilian life, but had a role in preparations for the stay-behind effort in Norway.