Kjell Colding (20 March 1931 – 28 July 2009) was a Norwegian diplomat and politician for the Conservative Party.
He started working for the Norwegian Ministry of Foreign Affairs in 1958, and was promoted to assistant secretary in 1967.
At the same time he had a political career in the same ministry; as private secretary (now known as political adviser) from 1966 to 1970 and State Secretary from 1970 to 1971, both in Borten's Cabinet.
He was then a State Secretary in the Office of the Prime Minister from 1981 to 1984 and the Norwegian ambassador to Finland from 1985 to 1989.
He finished his career as the Norwegian ambassador to the United Kingdom from 1996 to 2000.