Sir Harold Arthur Stuart GCMG KCSI KCVO (29 July 1860 – 1 March 1923) was an Indian Civil Servant, the first Director of the Central Criminal Intelligence Department, and later a Home Secretary to the Government of India. A graduate of King's College, Cambridge, Harold Stuart was born in the city of York to Peter Stuart. He entered the Indian Civil Service in 1881, serving as the Under Secretary to the Government of Madras. From April 1904 till 1909, Stuart served as the head of the newly formed Central Criminal Intelligence Department, later serving as the Home Secretary to the Government of India and subsequently in the Executive Council.