Thomas Seymour may refer to:
- Thomas Seymour, 1st Baron Seymour of Sudeley (1508–1549), English nobleman
- Thomas H. Seymour (1807–1868), U.S. Representative from Connecticut
- Thomas Day Seymour (1848–1907), American classical scholar
- Thomas Seymour (1896–1984), British director who worked under the name Walter Forde
- Tommy Seymour (footballer) (1906-1983), English footballer, trainer and physio
- Tommy Seymour (born 1988), Scottish rugby player
- Thomas Seymour (MP) (died 1535), MP for London, 1529
See also
edit- Thomas Seamer (1632–1712), founding settler of Norwalk, Connecticut