| Official Name: | Castleton |
| Settlement Type: | Town |
| Pushpin Map: | Virginia#USA |
| Pushpin Label Position: | none |
| Pushpin Map Caption: | Location within the Commonwealth of Virginia |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Virginia |
| Subdivision Type2: | County |
| Subdivision Name2: | Rappahannock |
| Unit Pref: | Imperial |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 607 |
| Coordinates: | 38.606°N -78.1067°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 22716 |
| Area Code: | 540 |
| Blank1 Name: | GNIS feature ID |
Castleton is an unincorporated community in Rappahannock County in the U.S. state of Virginia. It is located northwest of Culpeper.
Maestro Lorin Maazel maintained a 600acres estate in Castleton, and made it the focus of the Castleton Festival every summer.
The George L. Carder House and Scrabble School are listed on the National Register of Historic Places.