Blacklick is a small unincorporated community in southern Jefferson Township, Franklin County, Ohio, United States. Blacklick is also included in the Columbus Metropolitan area. The community derives its name from H. G. Black, an early settler.
The community has no school district, but it is split into five school districts, Columbus City Schools in Columbus, Ohio, Gahanna Jefferson Public Schools in Gahanna, Ohio, Licking Heights Local School District in Pataskala, Ohio, New Albany-Plain Local School District in New Albany, Ohio, and Reynoldsburg City Schools in Reynoldsburg, Ohio. Schools include Grace Christian School, a K-8 school founded in 1981.