John William Ward, 1st Earl of Dudley, PC, FRS, known as the Honourable John Ward from 1788 to 1823 and as the 4th Viscount Dudley and Ward from 1823 to 1827, was a British politician and slave holder. He served as Foreign Secretary from 1827 to 1828.

The secretary of state for foreign, commonwealth and development affairs, also known as the foreign secretary, is a secretary of state in the Government of the United Kingdom, with responsibility for the Foreign, Commonwealth and Development Office. The role is seen as one of the most senior ministers in the UK Government and is a Great Office of State. The incumbent is a member of the Cabinet of the United Kingdom and National Security Council, and reports directly to the prime minister.