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. The eldest son of the controversial William Lygon, 7th Earl Beauchamp, sometime leader of the Liberals in the House of Lords, he was a Member of Parliament (MP) for East Norfolk before in 1938 inheriting his father's seat in the House of Lords. He remained a member there until his death.