Alfred Sigurd Nilsen

Alfred Sigurd Nilsen (4 September 1891 –  2 August 1977) was a Norwegian politician for the Labour Party. Born in Trondenes, he was elected to the Norwegian Parliament from the Market towns of Nordland, Troms and Finnmark in 1937, and was re-elected on two occasions.

Nilsen held various positions in Narvik city council from 1925 to 1940 and 1945 to 1960, serving as mayor in the periods 1945–1947 and 1947–1951.