Captain Hugh Edward Murray Archer, DSO (15 August 1879 - 30 December 1931[1]) was a British Royal Navy officer and spy.

[2] In 1912, Hugh Archer and his father Walter Archer were recruited as agents by Mansfield Smith-Cumming, the first director of the Secret Intelligence Service, who gave them the codenames "Sagette" and "Sage", to spy on German ships in Norwegian and Danish waters.

[2] He retired in 1910, but rejoined the active list on the outbreak of World War 1 in 1914, and was appointed for minesweeping duties at Sheerness Dockyard.

[2] Later he was appointed to HMS Attentive, parent ship at Dover Patrol and he was one of four minesweeping officers under the orders of Sir Reginald Bacon who were commended in the Admiral's book on the Dover Patrol.

He was confirmed in the rank of commander with effect from 11 November 1918 and in August 1924 he was promoted to captain on the retired list.