Nina Frisak (born 28 November 1950) is a Norwegian judge and civil servant. She was the Secretary to the Government from 2001 to 2016. She was born in Oslo. She graduated from the University of Oslo with the cand.jur. degree in 1977, and was a lawyer's trainee in London from 1977 to 1978 and in Oslo from 1979 to 1981. She then worked as an assistant secretary in the Norwegian Ministry of Justice and the Police from 1981 to 1988. From 1988 to 1991 she was a lawyer in the Nordisk Defence Club. She was then a presiding judge in Eidsivating Court of Appeal from 1991 to 1995, went back to the bureaucracy as deputy under-secretary of state in the Norwegian Office of the Prime Minister from 1995 to 2000, and then became a judge again; a Supreme Court Justice from 2000 to 2001.