James Buchanan (1827 – 9 December 1891) was an Australian politician.
He was born at Darling Point and before entering politics was a goldfields commissioner in New England.
In 1863 he was elected to the New South Wales Legislative Assembly for Goldfields North, but he did not re-contest in 1864.
He was later a stipendiary magistrate and retired around 1887 as president of the Central Police Court.
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