William Hegney (11 January 1896 – 13 October 1982) was an Australian politician who was a Labor Party member of the Legislative Assembly of Western Australia from 1939 to 1968.
From 1920, he was the secretary and organiser of the Australian Workers' Union (AWU) in Northam, with responsibility for much of regional Western Australia.
[1] At the 1927 state election, Hegney ran against Sir James Mitchell, the Leader of the Opposition, losing by only a small margin.
At the 1947 election, he defeated an independent candidate, Leonard Taplin, by only a single vote, a result that was subsequently overturned by the Court of Disputed Returns.
Hegney switched to the seat of Mount Hawthorn (located within the Perth metropolitan area) at the 1950 election.