Admiral Sir Alexander Cumming Gordon Madden KCB CBE (21 January 1895 – 21 September 1964) was a senior Royal Navy officer who went on to be Second Sea Lord and Chief of Naval Personnel.

[2] He then became Naval Assistant to the Second Sea Lord in 1942: he also served as head of the Admiralty Commission and Warrant Branch in which capacity he had the critical role of deciding who received the command of each ship in the Navy.

[2] After the War he was appointed Deputy Controller of the Navy and Director of Naval Equipment and then, in 1948 he was made Flag Officer commanding 5th Cruiser Squadron and Flag Officer Second in Command for the Far East Station.

[2] In that capacity he became involved in the Amethyst Incident on the Yangtze River in China in 1949.

[2] He was appointed Second Sea Lord and Chief of Naval Personnel in 1950 and then became Commander-in-Chief, Plymouth in 1953.