| Gnatstown | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | USA Pennsylvania |
| Pushpin Map Caption: | Location within the state of Pennsylvania |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | York |
| 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: | 761 |
| Coordinates: | 39.8675°N -76.9289°W |
| Postal Code Type: | ZIP codes |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1203692 |
Gnatstown is an unincorporated community in York County, Pennsylvania, United States.
In September 2023 the community made the news when an asteroid that was estimated to be six inches across and that had travelled 55 miles through the Earth's atmosphere broke up just over Gnatstown.[1]