Barkeyville
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 3.322
- State:
- Pennsylvania
Barkeyville is a borough located in Butler County, Pennsylvania. Barkeyville has a 2026 population of 184. Barkeyville is currently declining at a rate of 0% annually and its population has decreased by -2.13% since the most recent census, which recorded a population of 188 in 2020.