| Loudoun Heights, Virginia | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | USA Virginia Northern#USA Virginia#USA |
| Pushpin Label: | Loudoun Heights |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Loudoun |
| Unit Pref: | Imperial |
| Population As Of: | 2000 |
| Population Density Km2: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 39.3131°N -77.7178°W |
| Postal Code Type: | ZIP codes |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
Loudoun Heights is an unincorporated community in Loudoun County, Virginia, near Harpers Ferry, West Virginia. It is located in the Between the Hills region of the county along Harpers Ferry Road (VA 671) and is bounded to its northwest and northeast by the Harpers Ferry National Historical Park on the Potomac River. The Blue Ridge and Short Hill Mountain bound it to the west and east.
This high ground was occupied by Confederate general John George Walker during the Battle of Harpers Ferry, September 12–15, 1862. Loudoun Heights was also the site of a night attack made on January 10, 1864, by Col. John S. Mosby's Rangers against Major Henry A. Cole's 1st Potomac Home Brigade Maryland Volunteer Cavalry. Mosby's attack failed and ended a long run of engagements between Mosby's Rangers and Cole's cavalry.