Arne-Johan Henrichsen (31 August 1918 – 8 March 2005) was a Norwegian philologist.
He was born in Kristiania as a son of teacher Gustav Wilhelm Henrichsen (1883–1947) and Birgit Heftye Blehr.
degree in 1956 with the thesis Les phrases hypothétiques en ancien occitan-étude syntaxique.
He had been a school teacher, but was in 1956 appointed as a professor in Romance philology at the University of Bergen.
He was the dean of the Faculty of History and Philosophy from 1959 to 1961, and rector of the University of Bergen from 1972 to 1977.