Alsing Emanuel Andersen (1893–1962) was a Danish social democrat politician. Andersen served as the Minister of Defense (1935–1940) for Denmark. From 8 July 1940 to 1945, he served as the vice chairman of the Danish Social Democratic Party, and as the acting chairman of the party from the death of Thorvald Stauning (3 May 1942) until the end of the Nazi occupation of Denmark in 1945.