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 south-east of the town of Smithton. The Black River forms part of the eastern boundary. The 2016 census determined a population of 144 for the state suburb of Mengha.
The original name of the locality was âÂÂMedwinâÂÂ. It was changed to Mengha (meaning âÂÂtoeâÂÂ) in 1973.
The C219 route (Mengha Road) runs from the Bass Highway through the locality to areas further south.