| Official Name: | Thach, Alabama |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Limestone |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 840 |
| Pushpin Map: | Alabama#USA |
| Pushpin Label: | Thach |
| Coordinates: | 34.9197°N -86.8928°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 153671 |
Thach, also spelled Thatch, is an unincorporated community in Limestone County, Alabama, United States.
Thach is likely named after the Thach family, who were early settlers of the area.[1] A post office operated under the name Thatch from 1921 to 1933.[2]