Granville George Leveson-Gower, 2nd Earl Granville,, styled Lord Leveson until 1846, was a British Liberal statesman and diplomat from the Leveson-Gower family. He is best remembered for his service as Secretary of State for Foreign Affairs.

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.