Eystein Paasche

Eystein Karl Mørner Paasche (born 17 September 1932 - died 27 November 2016) was a Norwegian botanist.

He was born in Oslo as a son of literary historian Johan Fredrik Paasche. He was appointed professor of marine botany at the University of Oslo in 1973. He was a fellow of the Norwegian Academy of Science and Letters.

His wife Rosamaria Alegría Paasche, "Rosita", died the next day.