Mengha is a locality and small rural community in the local government area of Circular Head, in the North West region of Tasmania.

It is located about 14 kilometres (8.7 mi) south-east of the town of Smithton.

The Black River forms part of the eastern boundary.

[2] The 2016 census determined a population of 144 for the state suburb of Mengha.

[3] The C219 route (Mengha Road) runs from the Bass Highway through the locality to areas further south.