Admiral of the Fleet Sir George Francis Seymour (17 September 1787 – 20 January 1870) was a Royal Navy officer. After serving as a junior officer during the French Revolutionary Wars, Seymour commanded the third-rate HMS "Northumberland" under Admiral Sir John Duckworth at the Battle of San Domingo during the Napoleonic Wars. He also commanded the sloop HMS "Kingfisher" at the blockade of Rochefort and the fifth-rate HMS "Pallas" under Admiral Lord Gambier at the Battle of the Basque Roads. He then saw active service during the War of 1812.