Donald Macdonell (1862 – 26 October 1911) was a politician, trade unionist and shearer in New South Wales, Australia.
Born at Stuart Mill near St Arnaud, Victoria, to Christina née McMaster and Alexander Macdonell, a Scottish-born farmer and shearer.
He helped on his father's farm as a child and moved to New South Wales in 1886, being an early member of the Australian Shearers' Union.
[1] In 1901 he was elected to the New South Wales Legislative Assembly as the Labor member for Cobar, serving until 1911.
[3] He had been absent from the parliament from 1 March 1911 due to illness but was expected to recover when a political crisis caused by the resignation of 2 Labor members resulted in the parliament being prorogued and he was automatically expelled for non-attendance during an entire session.