Odd Lien (born 16 August 1915 in Kristiania, died 24 November 2002) was a Norwegian newspaper editor and politician for the Labour Party.
He was elected to the Norwegian Parliament from Vest-Agder in 1973, and was re-elected on one occasion.
During the German occupation of Norway he distributed illegal flyers and helped escapees, but was imprisoned.
He was a journalist in Halden Arbeiderblad from 1945 to 1947 and editor-in-chief of Rana Blad from 1947 to 1949.
In 1949 he was hired as a journalist in Sørlandet, later being promoted to chief editor, a position he held from 1956 to 1977.