| Foristell, MO (City) |
| Fork, MN (Township) |
| Fork Township, MI (Township) |
| Forkland, AL (Town) |
| Forks, WA (City) |
| Forks Township, PA (Township) |
| Forks Township, PA (Township) |
| Forkston Township, PA (Township) |
| Forksville, PA (Borough) |
| Forman, ND (City) |
| Forman, ND (Township) |
| Formoso, KS (City) |
| Forney, TX (City) |
| Forrest, IL (Village) |
| Forrest City, AR (City) |
