| Type: | town |
| Petcheys Bay | |
| State: | tas |
| Postcode: | 7109 |
| Region: | South-east |
| Location1: | Huonville |
| Dist1: | 26 |
| Dir1: | S |
| Lga: | Huon Valley |
| Stategov: | Franklin |
| Fedgov: | Franklin |
| Near-Nw: | Wattle Grove |
| Near-N: | Wattle Grove |
| Near-Ne: | Lymington |
| Near-E: | Lymington |
| Near-W: | Wattle Grove |
| Near-Sw: | Huon River |
| Near-S: | Huon River |
| Near-Se: | Lymington |
Petcheys Bay is a rural locality in the local government area (LGA) of Huon Valley in the South-east LGA region of Tasmania. The locality is about south of the town of Huonville. The 2021 census recorded a population of 194 for the locality of Petcheys Bay.
Petcheys Bay was gazetted as a locality in 1971. It is believed to be named for William Petchey, an early settler in the area.[1]
The waters of the Huon River estuary form the southern boundary.
Route C639 (Cygnet Coast Road) runs through from south-west to south-east.[1] [2]