| Pittsylvania County, VA (County) |
| Piute County, UT (County) |
| Pixley Township, IL (Township) |
| Placentia, CA (City) |
| Placer County, CA (County) |
| Placerville, CA (City) |
| Placerville, ID (City) |
| Plain, UT (City) |
| Plain, ND (Township) |
| Plain, IN (Township) |
| Plain Center, SD (Township) |
| Plain City, OH (Village) |
| Plain Dealing, LA (Town) |
| Plain Grove Township, PA (Township) |
| Plain Township, OH (Township) |
