Herbjørg Wassmo (born 6 December 1942) is a Norwegian author.
She was born in Vesterålen and worked as a teacher in northern Norway until beginning her career as an author. Her first published work was a collection of poems, "Vingeslag" ("Beating of Wings"). Her major breakthrough was her first novel, "Huset med den blinde glassveranda" ("The House with the Blind Glass Porch") in 1981.
Her 1989 novel, Dinas bok (Dina's Book), was made into a film titled I Am Dina in 2002, starring Maria Bonnevie and Gérard Depardieu.
Naturkraften Dina, den magtfulde købmandsdatter fra 1800-tallets Nordnorge, er lige så vild og barsk som det bjergrige land, hun bor i. Hæmningsløs, uregerlig og ofte hårdhændet kræver Dina det ypperste af de mennesker der står hende nær.