Falmouth is a locality and small rural community in the local government area of Break O'Day, in the North-east region of Tasmania.

It is located about 14 kilometres (8.7 mi) north-east of the town of St Marys.

The Tasman Sea forms most of its eastern boundary, with the remainder being the centre line of Henderson Lagoon.

[2] The 2016 census determined a population of 102 for the state suburb of Falmouth.

[1] The locality name is believed to be derived from Falmouth, a seaport in Cornwall, England.