Seymour is a rural locality in the local government area (LGA) of Break O'Day in the North-east LGA region of Tasmania.

The locality is about 61 kilometres (38 mi) south of the town of St Helens.

The 2016 census recorded a population of 25 for the state suburb of Seymour.

[3] The waters of the Tasman Sea form the eastern boundary.

[4] Route A3 (Tasman Highway) passes through from south to north.