| Type: | town |
| Tonganah | |
| State: | tas |
| Pop: | 26 |
| Pop Year: | 2016 census |
| Pop Footnotes: | [1] |
| Postcode: | 7260 |
| Region: | North-east |
| Location1: | Scottsdale |
| Dist1: | 11 |
| Dir1: | E |
| Lga: | Dorset |
| Stategov: | Bass |
| Fedgov: | Bass |
| Near-Nw: | North Scottsdale |
| Near-N: | North Scottsdale |
| Near-Ne: | Kamona |
| Near-E: | Tulendeena |
| Near-W: | Scottsdale |
| Near-Sw: | Scottsdale |
| Near-S: | Cuckoo |
| Near-Se: | Cuckoo |
Tonganah is a rural locality in the local government area of Dorset in the North-east region of Tasmania. It is located about east of the town of Scottsdale. The 2016 census determined a population of 26 for the state suburb of Tonganah.[1]
Tonganah was gazetted as a locality in 1979. The name is an Aboriginal word meaning “to swallow”.[2]
The Great Forester River passes through from south-west to north.
The Tasman Highway (A3) passes through from south-west to east. Route C831 (Jensens Road) starts at an intersection with A3 and runs north before exiting.[2] [3]