| Official Name: | Longtown, South Carolina |
| Pushpin Map: | South Carolina#USA |
| Pushpin Label: | Longtown |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | South Carolina |
| Subdivision Type2: | County |
| Subdivision Name2: | Fairfield |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 535 |
| Coordinates: | 34.3476°N -80.8373°W |
| Area Code: | 803 & 839 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1246466 |
Longtown is an unincorporated community in Fairfield County, South Carolina, United States.
Lottie B. Scott, author and civil rights advocate, was born in Longtown.[1]