Sir Horace James Seymour was a British diplomat who served in Washington, D.C., Tehran, the Hague, Rome, and Chongqing. He was Principal Private Secretary to the British Foreign Secretary and Assistant Under-Secretary of State at the Foreign Office. His most senior appointment was as British Ambassador to China from 1942 to 1946.
- Occupation
- diplomat
- Position held
- ambassador of the United Kingdom to China, ambassador of the United Kingdom to Iran, Principal Private Secretary to the Secretary of State for Foreign and Commonwealth Affairs, embassy secretary
- Citizenship
- United Kingdom
- Born
- February 26, 1885
