Lewistown is the name of several places in the United States of America:
- Lewiston, Idaho
- Lewistown, Illinois
- Lewistown, Kentucky
- Lewiston, Maine, originally called Lewistown
- Lewistown, Frederick County, Maryland
- Lewistown, Talbot County, Maryland
- Lewistown, Missouri
- Lewistown, Montana
- Lewistown, Ohio
- Lewistown, Pennsylvania
Lewistown is also the name of a place in Wales, in the United Kingdom: