Amerikas Forenede Stater
- Seymour, en by i New Haven County, Connecticut
- Seymour, by i Jackson County, Indiana
- Seymour, Wayne County Town, Iowa
- Seymour, en by i Webster County, Missouri
- Seymour, folketællingsudpeget sted i Sevier County, Tennessee
- Seymour, amtssædet for Baylor County, Texas
- Seymour, en by i County of Eau Claire, Wisconsin
- Seymour, en by i Lafayette County, Wisconsin
- Seymour, en by i Outagamie County, Wisconsin
Sydafrika
- Seymour, by i den lokale kommune Nkonkobe