Jorunn Kjellsby (born 7 April 1944) is a Norwegian actress. She has worked both for Trøndelag Teater (1961–1963), Oslo Nye Teater (1968–1970) and Det Norske Teateret (1971–). She has also had almost 30 movies,  such as Bryllupsfesten (1989) and Den som frykter ulven (2004). In 2006 she was awarded an honorary Amanda Award.