Edward Hardcastle (1826 – 1 November 1905) was a British businessman and Conservative politician who sat in the House of Commons between 1874 and 1892. Hardcastle was the second son of Alfred Hardcastle of Hatcham House, Surrey, and his wife Eliza Smith of Manchester. His uncle was Member of Parliament for Bury St Edmunds. He was educated at Trinity College, Cambridge, and Downing College, Cambridge before going into trade as a merchant, making his home at Prestwich, Lancashire. In 1863 he helped form the Manchester Southern Independence Association to provide support to the Confederate States of America. He was also a J.P. and Deputy Lieutenant for Lancashire, a governor of Owen's College, and of Cheetham Hospital, and a trustee of Manchester Grammar School.