Pratap Kishen Kaul (3 July 1929 – 2 March 2007) was an Indian Civil Servant and held several important and sensitive posts in the Government of India. He was from the 1951 batch of the Indian Administrative Service and served as the Cabinet Secretary, Government of India from 1985 to 1986. He was also the Indian Ambassador to the United States from 1986 to 1989.