Tatachilla, South Australia
| Tatachilla Adelaide, South Australia | |
|---|---|
| Coordinates | 35°13′55″S 138°30′43″E / 35.232°S 138.512°E |
| Population | 231 (SAL 2021) |
| Postcode(s) | 5171 |
| Region | Southern Adelaide |
| County | Adelaide |
| State electorate(s) | Mawson |
Tatachilla is a semi-rural suburb of Adelaide, South Australia. It lies within the City of Onkaparinga. It is the location of the Tatachilla Lutheran College.