| Official Name: | Antioch |
| Pushpin Map: | Indiana#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Switzerland |
| Subdivision Type3: | Township |
| Subdivision Name3: | Posey |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 38.8594°N -84.8839°W |
| Elevation Ft: | 866 |
| Postal Code Type: | ZIP code |
| Postal Code: | 47038 |
| Area Code: | 812 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 430197 |
Antioch is an unincorporated community in Posey Township, Switzerland County, in the U.S. state of Indiana.
A post office was established at Antioch in 1894, and remained in operation until it was discontinued in 1902.[1]