| Walnut Flat, Kentucky | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Kentucky#USA |
| Pushpin Label: | Walnut Flat |
| Pushpin Map Caption: | Location in Kentucky##Location in the United States |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Kentucky |
| Subdivision Type2: | County |
| Subdivision Name2: | Lincoln |
| Unit Pref: | Imperial |
| Population As Of: | 2000 |
| Population Density Km2: | auto |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CST |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 942 |
| Coordinates: | 37.4953°N -84.5789°W |
| Postal Code Type: | ZIP codes |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 509308 |
Walnut Flat is an unincorporated community located in Lincoln County, Kentucky, United States.