Kjellaug Pettersen (born 5 January 1934 at Andøya, died 11 November 2012) was a Norwegian senior government official, politician and feminist.
She worked as a teacher and headmistress of Bygdøy School from 1979 to 1988.
In 1981 she was appointed by the Ministry of Education as a member of an expert committee on gender equality, and in 1991 she became director of the gender equality secretariat within the Ministry of Education.
She later served as a special adviser in the Ministry of Education.She was a co-founder of the Women's University in 1983 and was President of the Norwegian Association for Women's Rights from 1994 to 1998.
She was a deputy member of the Ministry of Foreign Affairs' committee on human rights from 1994 to 1995.