| Roundstone | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | USA Kentucky#USA |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location within the state of Kentucky |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Kentucky |
| Subdivision Type2: | County |
| Subdivision Name2: | Rockcastle |
| Unit Pref: | Imperial |
| Population As Of: | 2000 |
| Population Density Km2: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 942 |
| Coordinates: | 37.4383°N -84.3147°W |
| Postal Code Type: | ZIP codes |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 515135 |
Roundstone is an unincorporated community in Rockcastle County, in the U.S. state of Kentucky. It is located at the junction of U.S. Route 25, Kentucky Route 1786, and Kentucky Route 1617. The CC Subdivision runs through Roundstone.
A post office called Roundstone was established in 1856, and remained in operation until 1893.[1] The community took its name from nearby Roundstone Creek.[2]