| White Horse Mountains | |
| Country: | United States |
| State: | Oregon |
| District: | Harney County |
| Topo Map: | Tumtum Lake |
| Topo Maker: | USGS |
| Range Coordinates: | 42.2166°N -118.5013°W |
| Elevation M: | 1407 |
| Map: | Oregon |
The White Horse Mountains are a mountain range in Harney County, Oregon. The White Horse Mountains climb to 4616abbr=offNaNabbr=off above sea level.