| Blackrock | |
| Settlement Type: | Unincorporated community |
| Coordinates: | 39.7217°N -76.8611°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | York |
| Elevation Ft: | 785 |
| Timezone1: | EST |
| Utc Offset1: | -5 |
| Timezone1 Dst: | EDT |
| Utc Offset1 Dst: | -4 |
| Blank1 Name: | GNIS feature ID |
Blackrock is an unincorporated community in York County, Pennsylvania, United States. Blackrock is located near the Mason–Dixon line, approximately one mile northwest of the town of Lineboro.