William Lygon, 8th Earl Beauchamp, JP, DL (3 July 1903 – 3 January 1979), styled as Viscount Elmley until 1938, was a politician in the United Kingdom.
He was a Member of Parliament (MP) for East Norfolk.
He was the eldest son of the controversial William Lygon, 7th Earl Beauchamp, sometime leader of the Liberals in the House of Lords.