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. Buchanan died at Darling Point in 1891.[1]