Oluf Arntsen (born 22 March 1941) is a Norwegian businessperson and politician for the Christian Democratic Party. He was born in Kristiansand and graduated from the University of Oslo with the cand.real. degree in 1967. He worked as a consultant in the Ministry of Education and Church Affairs and at a teachers' college before being assisting chief executive at NKI-skolen. During Korvald's Cabinet from 1972 to 1973, he was a State Secretary, first in the Ministry of Local Government and Labour, then in the Office of the Prime Minister. After that he held another political position, secretary-general of the Christian Democratic Party, before he was director of enterprise in Vestfold County Municipality. He was then a director in /Kosmos from 1982 to 1988, before being hired as chief executi