Sir John Vaughan PC (11 February 1768 – 25 September 1839) was an English judge.
[2] He was educated at The Queen's College, Oxford and Lincoln's Inn,[3] and was called to the bar in June 1791.
In 1834 he became Justice of the Court of Common Pleas and was made a Privy Councillor.
[4] Vaughan died at Eastbury Lodge, near Watford, Hertfordshire at the age of 71.
[5] Vaughan and his first wife had issue, including a son Sir (Henry) Halford Vaughan (27 August 1811 – 19 April 1885), Regius Professor of History at Oxford University 1848–1858[6] and father of William Wyamar Vaughan (1865 – 4 February 1938) a British educationalist.