Seymour could refer to:

1. Seymour, a town in Connecticut, USA

2. Seymour, a city in Indiana, USA

3. Seymour, a district in Melbourne, Australia

4. J.D. Salinger's famous novel, "The Catcher in the Rye" features a character named Seymour Glass

5. Seymour Duncan, a renowned guitar pickup manufacturer

6. Seymour Skinner, a character in the television show "The Simpsons"

7. Seymour Hersh, an American journalist and author

8. Seymour Papert, a South African mathematician and computer scientist

9. Jane Seymour, an English actress and former Bond girl

10. Seymour, a robotic character in the video game "Final Fantasy X".