Yorklyn is a census-designated place (CDP) in York County, Pennsylvania, United States. The population was 1,912 at the 2010 census. 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.
The CDP is located in the Central York School District.