Arthur William Wansbrough (20 August 1877 – 3 September 1949) was an Australian trade unionist and politician who was a Labor Party member of the Legislative Assembly of Western Australia from 1924 to 1936, representing the seat of Albany.
He was raised in Beverley, where his parents were among the first settlers, and after leaving school worked in a post office for a period.
[1] Wansbrough first stood for parliament at the 1921 state election, but lost to the sitting Country Party member for Albany, John Scaddan (who was a former Labor premier).
[2] The following year, at the 1922 Legislative Council elections, he contested South-East Province, but was defeated by the Country Party's Alfred Burvill.
They served together from 1924 to 1930,[3] and are the only brothers in the history of the Parliament of Western Australia to have represented different parties while sitting together.