Grantville can refer to:
- In Australia
- Grantville, Victoria
- In Canada
- Grantville, Nova Scotia
- In the United States
- Grantville, California
- Grantville, California, former name of Lower Lake, California
- Grantville, San Diego, California, a neighborhood
- Grantville, Georgia
- Grantville, Kansas
- Grantville, Pennsylvania
- Grantville, West Virginia, a fictional city in Eric Flint's 1632 series
- Grantville, California