William Chetwynd may refer to: William Chetwynd (MP for Wootton Bassett) (c. 1691–1744), British lawyer and politician William Chetwynd, 3rd Viscount Chetwynd (1684–1770), British politician, MP for Stafford, and for Plymouth William Richard Chetwynd (c. 1731–1765), English aristocrat and politician, MP for Stafford William Henry Chetwynd (1811–1890), involved in a sensational divorce case in 1865