Broadmarsh is a rural locality and town in the local government areas of Southern Midlands and Derwent Valley in the Central and South-east regions of Tasmania.

It is located about 23 kilometres (14 mi) north-east of the town of New Norfolk.

The 2016 census determined a population of 167 for the state suburb of Broadmarsh.

[3] The C185 route (Elderslie Road) enters from the north and runs through via the town to the south-east, where it exits.

Route C186 (Black Brush Road) starts at an intersection with C185 and runs north-east until it exits.