| Longville | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | California#USA |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in California |
| Pushpin Image: | California Locator Map with US.PNG |
| Unit Pref: | US |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Plumas County |
| Coordinates: | 40.1478°N -121.2447°W |
| Elevation M: | 1341 |
| Elevation Ft: | 4400 |
Longville is an unincorporated community in Plumas County, California. It lies at an elevation of 4400 feet (1341 m). Longville is located 6miles southwest of Almanor.
The Longville post office operated from 1861 to 1918. The name honors W.B. Long hotelier and saw mill owner.