George Dutton Green (1 May 1850 – 27 April 1911) was a land agent, auctioneer and politician in the colony of South Australia.
In 1879, supported by the Rymill brothers and several other businessmen, he established a new stock exchange (one of two competing schemes), on land known as "King's timber yard" in Pirie Street; they hired Edmund W. Wright to design, and Charles Farr to erect, the new building.
He was a vice-president of the Park Lands League, a trustee of the Wyatt Benevolent Institution, and patron of racing clubs and athletics bodies.
[3] He represented the electorate of East Adelaide in the South Australian House of Assembly, a colleague of John Cox Bray, from April 1884 to May 1886, when he resigned.
[4] He married Constance Evelyn Charnock (3 January 1854 – 3 March 1931) on 9 February 1876, lived at "Holmfield", South Terrace, Adelaide; they had three daughters.