Arne Gunnar Stein Lie (16 January 1927 – 25 September 1996) is a Norwegian civil servant and politician for the Labour Party.
He finished his secondary education in 1945 and took Oslo Commerce School in 1946.
After working in Det Norske Luftfartselskap from 1946 to 1947 and as a secretary in the Ministry of Trade, he graduated with the cand.oecon.
He then served as office manager in the Bank of Norway from 1960, head of department in OECD from 1968.
From 1971 to 1972 he served in Bratteli's First Cabinet as a State Secretary in the Office of the Prime Minister.