John Green (Royal Navy officer)

Sir John Green
1918 portrait by Francis Dodd
Born	8 August 1866
Died	30 October 1948 (1948-10-31) (aged 82)
Allegiance	United Kingdom
Service/branch	Royal Navy
Years of service	1882–1925
Rank	Admiral
Commands held	HMS Essex (1901) HMS Royal Arthur (1891) HMS Natal (1905) HMS New Zealand Coast of Scotland
Battles/wars	World War I
Awards	Knight Commander of the Order of St Michael and St George Companion of the Order of the Bath

Admiral Sir John Frederick Ernest Green KCMG CB (8 August 1866 – 30 October 1948) was a Royal Navy officer who became Commander-in-Chief, Coast of Scotland.

Green joined the Royal Navy as a midshipman in 1882, was promoted to Lieutenant in 1890 and went on to command the gunboat HMS Pigmy during the Boxer Rebellion in 1900 for which role he was mentioned in despatches and promoted to Commander 1 January 1901. He was appointed in command of the destroyer HMS Mermaid on 13 June 1901, and used this as flagship when he was in charge of the Medway Instructional Flotilla. In May 1902 he transferred with all officers and men to the destroyer HMS Racehorse, which was commissioned for the instructional flotilla.

He served in World War I taking part in the Battle of Jutland in 1916 as Captain of the Battlecruiser HMS New Zealand (flagship to the Rear-Admiral Commanding the 2nd Battlecruiser Squadron). He continued his war service as Senior Naval Officer on the River Clyde from October 1917. After the War he became Rear Admiral in the White Sea and then Commander-in-Chief, Coast of Scotland from 1922 before retiring in 1925.