William Bulkeley Hughes J.P. (26 July 1797 – 8 March 1882) was a Welsh politician who sat in the House of Commons from 1837 to 1859 and 1865 to 1882. He was elected for Member of Parliament for Carnarvon Boroughs constituency. Hughes was the eldest son of Sir William Bulkeley Hughes of Plas Coch, Llanidan, Anglesey and Elizabeth, of Coed Alun, Caernarfon. He was educated at Harrow School and called to the bar at Lincoln's Inn in 1824.