Frances Seymour may refer to:
- Frances Stewart, Duchess of Lennox (1578âÂÂ1639), wife of Edward Seymour, 1st Earl of Hertford
- Frances Seymour, Duchess of Somerset (1599âÂÂ1674), wife of William Seymour, 2nd Duke of Somerset
- Frances Darcy, Countess of Holderness (1618âÂÂ1681), daughter of the above, previously Viscountess Molyneux and Countess of Southampton
- Frances Seymour, Lady Hungerford (bef. 1654âÂÂ1716), daughter of Charles Seymour, 2nd Baron Seymour of Trowbridge
- Frances Seymour, Duchess of Somerset (1699âÂÂ1754), wife of Algernon Seymour, 7th Duke of Somerset
- Frances Ford Seymour (1908âÂÂ1950), Canadian-American socialite, second wife of Henry Fonda and mother of Jane and Peter Fonda
See also