| Williamsport, West Virginia | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | West Virginia#USA |
| Pushpin Label: | Williamsport |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | West Virginia |
| Subdivision Type2: | County |
| Subdivision Name2: | Grant |
| Unit Pref: | Imperial |
| Population As Of: | 2000 |
| Population Density Km2: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 1024 |
| Coordinates: | 39.2014°N -79.0281°W |
| Postal Code Type: | ZIP codes |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1549990 |
Williamsport is an unincorporated community on Patterson Creek in Grant County, West Virginia, United States. Williamsport is the birthplace of J.R. Clifford (1848-1933), West Virginia's first African-American attorney.
Joseph V. Williams, an early postmaster, gave the community his name.[1]