John Cann Bailey (10 January 1864 – 29 June 1931) was an English literary critic, lecturer, and chairman of the National Trust. After education at Haileybury College and New College, Oxford, Bailey qualified as a barrister, but did not practise law. He attempted unsuccessfully to enter politics, and later became a leading figure in the National Trust. As a literary critic he wrote twelve books and many reviews in literary journals. He was assistant editor of The Quarterly Review, and chairman (later president) of the English Association.