Charles James Fox, English businessman and politician, Secretary of State for Foreign and Commonwealth Affairs (died 1806)

Charles James Fox, styled The Honourable from 1762, was an English Whig politician and statesman whose parliamentary career spanned 38 years of the late 18th and early 19th centuries. He was the arch-rival of the Tory politician William Pitt the Younger; his father Henry Fox, 1st Baron Holland, a leading Whig of his day, had similarly been the great rival of Pitt's famous father, William Pitt, 1st Earl of Chatham.

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.