Vice-Admiral Sir James Andrew Gardiner Troup, KBE, CB (7 March 1883 – 11 May 1975) was a Royal Navy officer.

Following promotion to captain on 31 December 1922, he became Head of the Tactical Section of the Naval Staff at the Admiralty in 1923.

[5] He went on to be Captain of the School of Maritime Operations in December 1928, Flag Captain on the battleship HMS Revenge & Chief Staff Officer to Vice-Admiral Commanding 1st Battle Squadron in 1930.

[7] His final appointment was as Flag Officer-in-charge, Glasgow and District Shipyard Controller from 1940 to 1946.

[2][3][4] Troup was appointed a Companion of the Order of the Bath in the 1936 New Year Honours[8] and advanced to Knight Commander of the Order of the Bath in the 1943 New Year Honours.