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.
He was married twice.He finished his secondary education in 1935.
He studied Romance languages at Sorbonne from 1945 to 1947, and graduated with the cand.philol.
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.He was deputy chairman of NAVF from 1966 to 1969, and was acting chairman for a year.
Henrichsen was a member of Ã…sane municipal council from 1964 to 1965.
He was decorated as a Knight, First Class of the Order of St.