Ottar Dahl

Ottar Dahl (5 January 1924 – 4 April 2011) was a Norwegian historian and historiographer.

He was born in Nannestad. He took the dr. philos. degree in 1957, worked at the University of Oslo as a scholarship holder from 1957, docent from 1960 and professor from 1966 to 1991. He then retired to a position as professor emeritus.

He was a member of the Norwegian Academy of Science and Letters. From 1972 to 1975 he chaired the Norwegian Historical Association. He died in April 2011.