Places beginning with PO in Iowa, United States
- Pocahontas
- Pocahontas County
- Poe, Township of
- Poland, Township of
- Polen
- Polk City
- Polk City Junction
- Polk County
- Polk, Township of
- Polk, Township of
- Polk, Township of
- Polk, Township of
- Polk, Township of
- Polk, Township of
- Pomeroy
- Ponderosa Park Mobile Home Park
- Popejoy
- Poplar
- Poplar
- Port Allen (historical)
- Portland
- Portland, Township of
- Portland, Township of
- Portland, Township of
- Port Louisa
- Port Louisa, Township of
- Portsmouth
- Post, Township of
- Postville
- Potosia
- Pottawattamie County
- Potter
- Powersville
- Poweshiek County
- Poweshiek, Township of
- Powhatan, Township of
- Poyner, Township of