- Polley
- Polonia
- Poniatowski
- Pool 9 Island
- Poplar
- Poplar Island
- Popple Island
- Popple River
- Porcupine
- Pork Barrel Island
- Port Andrew
- Port Arthur
- Port Edwards
- Port Washington
- Port Wing
- Portage
- Porterfield
- Porters
- Portland
- Portland
- Poskin
- Post Lake
- Postville
- Potosi
- Potter
- Potter Lake
- Pound
- Powell
- Powers Lake
- Poy Sippi