Sir Percy Cradock GCMG PC (Chinese: 柯利達爵士, 26 October 1923 – 22 January 2010) was a British diplomat, civil servant and sinologist who served as British Ambassador to the People's Republic of China from 1978 to 1983, playing a significant role in the Sino-British negotiations which led up to the signing of the Sino-British Joint Declaration in 1984. Cradock spent his later years in writing a number of books on realpolitik diplomacy and was a non-executive director of the South China Morning Post.