John Hunter Harley (23 June 1865 – 11 January 1947) was a Congregational minister, journalist and local politician.
Born in Stirling, Scotland. He graduated from the University of Glasgow with a first class MA in mental and moral philosophy in 1889, and won the university's gold medal. He went on to study at Oxford. In 1895 he married Flora Dent in Tamworth, Staffordshire.
In 1898 he was given charge of Bedford Chapel, Charrington Street, St Pancras. He spent three years in the ministry before becoming a journalist.
By the time of the 1911 census the couple had three children. He was described as a journalist and Congregational Minister and as working for the St Pancras Board of Guardians.
He was President of the National Union of Journalists 1911-12.
He became an alderman on St Pancras Borough Council. In 1919 he was elected unopposed as a Progressive Party member of the London County Council representing St Pancras North He lost the seat at the 1922 council election. A long-time supporter of the Labour movement, he joined the Labour Party and contested Hackney Central at the 1925 county council election without success. In 1926 he was chosen as prospective parliamentary candidate for Daventry in Northamptonshire.