Sir William Nigel Paul Cash is a British politician who served as a member of Parliament (MP) from 1984 to 2024. A member of the Conservative Party, he was first elected for Stafford and then for Stone in Staffordshire in 1997. Cash is a prominent Eurosceptic. Following his tenth election victory in the 2019 general election, aged 79, Cash became the oldest sitting member of the House of Commons.