Jahn Otto Johansen (3 May 1934 – 1 January 2018) was a Norwegian journalist, newspaper editor, foreign correspondent and non-fiction writer. He was born in Porsgrunn, Norway. He worked for the newspaper "Morgenposten" from 1956 to 1966, for the Norwegian Broadcasting Corporation (NRK) from 1966 to 1977, and was chief editor of "Dagbladet" from 1977 to 1984.