Helge Midttun (born 1955) is a Norwegian businessperson and since 2006 CEO of Aker BioMarine and Chairman of Rieber & Søn.
Midttun graduated from the Norwegian School of Economics and Business Administration in 1979.
He worked for Authur Andersen & Co. (1979-81), Schlumberger (1981-85) before becoming CEO of Scanvest Ring (1986-89).
He started working for Rieber & Søn in 1990, and was the hired as CEO of Stento (1996-99).
He has since been CEO of Det Norske Veritas (2000-02), Fjord Seafood (2003-06) and Aker BioMarine (2006-).