Frantz Oskar Mosfjeld (20 January 1896 – 21 April 1977)[1] was a Norwegian literary scholar known for his widely cited (in the field) opus magnum on Henrik Ibsen's biography, Henrik Ibsen og Skien: En biografisk og litteratur-psykologisk studie, published by Gyldendal Norsk Forlag in 1949, and for which he was awarded the philosophical doctorate in 1950. He worked as a lecturer at Vestheim skole until retiring in 1963.[2]