George Alexander Dunn (27 March 1859 – 18 July 1925) was an Australian politician who represented the South Australian House of Assembly multi-member seat of Murray from 1915 to 1918, when his colleagues were Maurice Parish and Harry D. Young.

[3][4] He was born at Macclesfield, South Australia, to Thomas (died before 1889) and his wife Jane Dunn (c. 1824 – October 1916), and served an apprenticeship as a carpenter.

He spent some years in Victoria where he married Kate Lindsay Wood (daughter of Henry Wood, Melbourne) on 9 October 1889 at the Collins Street Congregational Church.

[1] He then returned to South Australia, settling in Summertown, where he was an orchardist.

He was a member of the Summertown Institute and served as secretary and president, and was a trustee of the Agricultural and Horticultural Society.