Sir William Henry Prescott, 1st Baronet, CBE, DL (1874 – 15 June 1945) was a British engineer and Conservative Party politician. The son of John Prescott, he initially studied law and was called to the bar at Gray's Inn in 1909. He subsequently took up a career in civil engineering, acting as a consultant to a number of government committees on water supply and roads. During the First World War he was commanding officer of 222nd Field Company, Royal Engineers, part of the British Expeditionary Force on the Western Front. He was invalided home to the United Kingdom in 1915.