William Coles Finch MICE (23 October 1864 – 6 June 1944) was a British historian and author of a number of books on Kent-related topics.

In 1925, In Kentish Pilgrim Land was published, followed by The Lure of the Countryside in 1927, Life in Rural England in 1928 and Watermills in Windmills in 1933.

BBC Radio Medway produced an hour-long documentary Sweeping Changes, The Windmills of Kent in response to the reprint.

[9] Coles Finch was the resident engineer of the Brompton, Chatham, Gillingham and Rochester Water Company.

[12] In 1897, Coles Finch read a paper at the British Association of Waterworks Engineers meeting at the Town Hall, Westminster, London on Electrical Water Level Recorders.