| Official Name: | Big Rock, Tennessee |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Tennessee#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Tennessee |
| Subdivision Type2: | County |
| Subdivision Name2: | Stewart |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 4.46 |
| Area Land Km2: | 4.46 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 1.72 |
| Area Land Sq Mi: | 1.72 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 291 |
| Population Density Km2: | 65.31 |
| Population Density Sq Mi: | 169.19 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 525 |
| Coordinates: | 36.5806°N -87.76°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 37023 |
| Area Code: | 931 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1305229 |
Big Rock is an unincorporated community in Stewart County, Tennessee, United States. Its ZIP code is 37023.[3]