Arthur Arntzen (29 April 1906 – 28 March 1997) was a Norwegian civil servant and politician for the Labour Party.
He worked in the insurance company Norske Folk from 1926 to 1927, then as treasurer at Glomma Sagbruk og Høvleri in Fredrikstad from 1929 to 1936 and as auditor and treasurer's assistant in Borge municipality from 1935 to 1937.
[1] Arntzen entered politics as a national board member of the Workers' Youth League from 1931 to 1939 and 1945 to 1946.
He served as a deputy representative to the Parliament of Norway from Østfold during the term 1937–1945, was elected in 1945, and was re-elected on two occasions in 1949 and 1953.
[1] From 1950 to 1964 Arntzen was a deputy representative to the Office of the Auditor General of Norway.