Thomas Jackson (Royal Navy officer)
|Sir Thomas Jackson|
|Born||20 February 1868
Stoke Damerel, Devon, England
|Died||7 July 1945
|Commands held||HMS Thunderer (1911)|
|Battles/wars||World War I|
|Awards||Knight Commander of the Order of the British Empire
Companion of the Order of the Bath
Member of the Royal Victorian Order
During the Russo-Japanese War, Jackson was a military observer stationed on the Imperial Japanese Navy cruiser Azuma, and was present at the Battle of Tsushima. After the war, he remained as a military attaché in Tokyo in 1906. 
In 1913 he became the Director of the Intelligence Division of the Admiralty War Staff and then served in World War I becoming Director of the Operations Division in January 1915. He played a key role in the Battle of Jutland in May 1916, providing Admiral Jellicoe with incorrect information that the German High Seas Fleet appeared to have remained in harbour. Promoted to Rear Admiral in June 1916, he was made Flag Officer, Egypt & The Red Sea in July 1917. He was promoted to Vice Admiral in March 1920. He retired in 1925. 
In 1907 he married Mona Anna Murray.
- Kowner, Rotem (2006). Historical Dictionary of the Russo-Japanese War. ISBN 0-8108-4927-5: The Scarecrow Press.
- The Dreadnought Project: Thomas Jackson