Francis Seymour

Francis Seymour may refer to:


 * Francis Seymour, 1st Baron Seymour of Trowbridge (c. 1590–1664)
 * Francis Seymour, 5th Duke of Somerset (1658–1678)
 * Francis Seymour, of Sherborne, Dorset (1697–1761), Member of Parliament
 * Francis Seymour, 5th Marquess of Hertford (1812–1884)
 * Sir Francis Seymour, 1st Baronet (1813–1890), British Army officer and courtier
 * Lord Francis Seymour (1725–1799), clergyman of the Church of England
 * Frank Seymour (1904–1987), Australian rules footballer