Jasper County is the name of eight counties in the United States of America. All are named in honor of Sergeant William Jasper, a hero of the Revolutionary War. Five counties share a boundary with a Newton County, named for John Newton, a similarly distinguished soldier. Two have their county seat named Newton.
The following counties are called Jasper County:
| County | Remarks | |
|---|---|---|
| Adjacent to Newton County, Georgia | ||
| County seat is Newton, Illinois | ||
| Adjacent to Newton County, Indiana | ||
| County seat is Newton, Iowa | ||
| Adjacent to Newton County, Mississippi | ||
| Adjacent to Newton County, Missouri | ||
| Adjacent to Newton County, Texas |