Reginald Edward Enthoven CIE (1869– 21 May 1952) was an administrator in the Indian Civil Service of the British Raj and an author of publications related to India, including the three volumes entitled The Tribes and Castes of Bombay that formed a part of the Ethnographic Survey of India. Enthoven was appointed a Companion of the Order of the Indian Empire on 1 January 1910, at which time he was Secretary to the Government of Bombay, General, Educational, Marine, and Ecclesiastical Departments.