William Hughes (c. 1818 - May 21, 1876) was a cartographer, engraver, lithographer, printer, and publisher active in London during the middle part of the 19th century. Hughes enjoyed and long and varied cartographic career. He was elected a Fellow of the Royal Geographical Society in 1838 and, from about 1840, taught geography and mapmaking at St. Johns College for Civil Engineers. He later taught the same at both Queens College and Kings College, London. For a time he was employed as a map librarian for the British Museum. Hughes began engraving maps around 1839 and worked with most of the prominent British map and atlas publishers of his era, including but not limited to Charles Knight, A. and C. Black, George Philip, William Cassell, and others.