| Smithfield, IL (Village) |
| Smithfield Township, IA (Township) |
| Smithfield Township, PA (Township) |
| Smithfield Township, PA (Township) |
| Smithfield Township, PA (Township) |
| Smithfield Township, OH (Township) |
| Smithland, IA (City) |
| Smithland, KY (City) |
| Smiths Grove, KY (City) |
| Smiths Station, AL (City) |
| Smithsburg, MD (Town) |
| Smithton, IL (Village) |
| Smithton, PA (Borough) |
| Smithton, MO (City) |
| Smithton Township, IL (Township) |
