See also: greenfield
- A surname.
- One of four communities in Nova Scotia, Canada
- A city in Illinois
- A city in Indiana, and the county seat of Hancock County.
- A small city in Iowa, and the county seat of Adair County.
- A city in Massachusetts, and the county seat of Franklin County.
- A city in Minnesota
- A city in Missouri, and the county seat of Dade County.
- A town in New Hampshire
- A town in New York
- A village in Ohio
- A city in Tennessee
- A city and one of three towns in Wisconsin