Olaf Erling Kortner (10 May 1920 – 26 January 1998) was a Norwegian politician for the Liberal Party. He was born in Skien. From 1948 to 1950 he was the leader of the Young Liberals of Norway, the youth wing of the Liberal Party. He was a member of Strinda municipality council in the period 1951–1955. From August to September 1963 he served as the Minister of Education and Church Affairs during the short-lived centre-right cabinet of John Lyng.