| Yorklyn | |
| Settlement Type: | CDP |
| Mapsize: | 260px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | York |
| Subdivision Type3: | Township |
| Subdivision Name3: | Springettsbury |
| Unit Pref: | Imperial |
| Area Total Km2: | 1.2 |
| Area Land Km2: | 1.2 |
| Population As Of: | 2010 |
| Population Total: | 1912 |
| Population Density Km2: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 423 |
| Coordinates: | 39.9928°N -76.6428°W |
| Postal Code Type: | ZIP codes |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2584529 |
Yorklyn is a census-designated place (CDP) in York County, Pennsylvania, United States. The population was 1,912 at the 2010 census.[1] The area was delineated as the Springetts Manor-Yorklyn CDP for the 2000 census.
Yorklyn is located in Springettsbury Township, east of York.
According to the United States Census Bureau, the CDP has a total area of, all land.