| Mount Alto, West Virginia | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | West Virginia#USA |
| Pushpin Label: | Mount Alto |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | West Virginia |
| Subdivision Type2: | County |
| Subdivision Name2: | Jackson |
| 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: | 38.8644°N -81.8781°W |
| Postal Code Type: | ZIP codes |
| Postal Code: | 25264[1] |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
Mount Alto is an unincorporated community in far western Jackson County, West Virginia, United States. It lies along West Virginia Route 331, northwest of the city of Ripley, the county seat of Jackson County.[2] Its elevation is 709 feet (216 m).[3] Mount Alto had a post office, which closed on June 20, 2009.[4]
Former United States Senator Carte Goodwin, who served briefly in 2010, is a native of Mount Alto.