Sir Edward St John Jackson KCMG KBE QC
10th Chief Justice of Cyprus
In office 19 May 1943 – 1952
Preceded by	Sir Bernard Arthur Crean
Succeeded by	Sir Eric Hallman
24th Lieutenant Governor of Malta
In office 1940–1943
Preceded by	John Adams Hunter
Succeeded by	Sir David Campbell
Legal Secretary of Malta
In office 1937–1940
23rd Attorney General of Ceylon
In office 12 May 1929 – 1936
Preceded by	Lancelot Henry Elphinstone
Succeeded by	John Curtois Howard
Personal details
Born	14 October 1886
Died	29 August 1961 (1961-08-30) (aged 74)
Citizenship	British
Relations	Sir Wilfrid Edward Francis Jackson (brother)
Parent	Sir Henry Moore Jackson (father)
Alma mater	Stonyhurst College

Sir Edward St John Jackson, KCMG, KBE, QC (14 October 1886 – 29 August 1961) was a British colonial judge and administrator.

The son of Sir Henry Moore Jackson, and his wife, Emily (née Shea), Edward St John Jackson was raised in his mother's Roman Catholic faith. He was educated at Stonyhurst College and Beaumont College (both Jesuit schools) and at Brasenose College, Oxford, where he read Law, graduating in 1908. He was called to the bar by the Inner Temple in 1910.

In 1912, he was appointed legal adviser to the Government of Gambia. In 1918, he was appointed Attorney General of the Nyasaland Protectorate, before being appointed to the High Court of the Nyasaland Protectorate in 1920. He was subsequently Attorney General of Tanganyika Territory between 1924 and 1929. He was the 23rd Attorney General of Ceylon.^[1]

He was appointed on 12 May 1929, succeeding Lancelot Henry Elphinstone, and held the office until 1936. He was succeeded by John Curtois Howard.^[2]

Between 1937 and 1940, Jackson was Legal Secretary to the Government of Malta, and he was the Colony's Lieutenant Governor between 1940 and 1943. From 1943 to 1951 he was Chief Justice of Cyprus. In 1953 he served as judge, then Chief Judge, to the Supreme Court of the British Zone of Occupation in Germany. He also served on various government boards in relation to Germany.^{[citation needed]}

Jackson was appointed King's Counsel (Ceylon) in 1929. He was made a knight bachelor in 1933, a KBE in 1941 (having previously been appointed an OBE in 1918), and KCMG in 1943.^{[citation needed]}