Svein Bendik Manum (3 October 1926 - 30 September 2015) was a Norwegian botanist.He took his education at the University of Oslo, and was hired there in 1954.
From 1975 to 1995 he served as a professor of paleobotany, being a specialist on fossil land flora and fossil microalgae.
He had a spell as university professor in Uganda from 1967 to 1970.
He was a fellow of the Norwegian Academy of Science and Letters.He resided in Lommedalen.