P
- Pages Island
- Pain Court
- Paisley
- Pakesley
- Palm Beach
- Palmerston
- Palmyra
- Paquette
- Paquette Corners
- Paradise Point
- Parker
- Parkersville
- Park Head
- Parkhill
- Parkside Beach
- Parkway
- Parma
- Parry Island
- Parry Island First Nation
- Parry Sound
- Parry Sound, Unorganized, Centre Part
- Pattersons Corners
- Patterson's Landing
- Paudash Lake
- Pawitik
- Payne
- Paynes
- Paynes Mills
- Peabody
- Peacock Point
- Pearceley
- Pearl Lake
- Peekaboo Point
- Peffers
- Pelee
- Pelee Island
- Pelee Island South
- Pelham
- Pelham
- Pelham Centre
- Pelham Corners
- Pelham Union
- Pelletier Bridge
- Pelton
- Penetanguishene
- Pengelly Landing
- Peninsular Park
- Pentland Corners
- Pentney Island
- Penville
- Perch
- Perkinsfield
- Perrins Corners
- Perry
- Perry
- Perry's Corners
- Perrys Lane
- Perth East
- Perth Road
- Perth South
- Petaguishene Beach
- Petersburg
- Peterson Corner
- Petherton
- Petrolia
- Petworth
- Pevensey
- Phelpston
- Philipsburg
- Philipsville
- Phillipston
- Pickerel
- Pickerel Lake
- Pickerel Point
- Picnic Grove
- Picnic Island
- Picton
- Pike Bay
- Pike Creek
- Pine Crest Point
- Pinegrove
- Pine Grove
- Pine Hill
- Pine Hill
- Pinehurst
- Pine Meadows
- Pine River
- Pine Springs
- Pinkerton
- Pinkerton
- Pirates Glen
- Pitsite
- Pitts Ferry
- Pittston
- Plainfield
- Plattsville
- Pleasant Beach
- Pleasant Park
- Pleasant Point
- Pleasant Valley
- Pleasant Valley
- Pleasant Valley
- Plover Mills
- Plumerville
- Plumeville
- Plum Hollow
- Plympton-Wyoming
- Point Abino
- Point Alexandria
- Point Anne
- Point Clark
- Pointe au Baril
- Pointe au Baril Station
- Pointe-au-Baril-Station
- Point Edward
- Point of Mara Beach
- Point Pelee
- Point Petre
- Point Pleasant
- Point Traverse
- Polson Park
- Pomona
- Ponsonby
- Pontypool
- Poole
- Pooles Resort
- Poplar Grove
- Poplar Hill
- Portage Park
- Portal
- Port Albert
- Port Alma
- Port Anson
- Port Bruce
- Port Burwell
- Port Carling
- Port Carmen
- Port Cockburn
- Port Colborne
- Port Crewe
- Port Cunnington
- Port Dalhousie
- Port Davidson
- Port Dover
- Port Elgin
- Porter's Hill
- Port Franks
- Port Glasgow
- Port Johnstown
- Port Keewaydin
- Port Lambton
- Portland
- Port Law
- Port Loring
- Port Maitland
- Port McNicoll
- Port Metcalf
- Port Milford
- Port Robinson
- Port Robinson East
- Port Robinson West
- Port Rowan
- Port Royal
- Port Ryerse
- Port Sandfield
- Port Severn
- Portsmouth
- Port Stanley
- Port Stanton
- Portswitch
- Port Sydney
- Port Talbot
- Port Weller East
- Potters Landing
- Powassan
- Powells Corners
- Power Glen
- Powles Corners
- Prairie Siding
- Preneveau
- Prescott
- Preston
- Priceville
- Prince Edward
- Prince Edward County
- Princeton
- Priory Park
- Prophet Beach
- Prospect Hill
- Prosperity
- Proton Station
- Puce
- Punkeydoodles Corners
- Purbrook
- Purdy
- Purple Grove
- Purple Valley
- Pusey
- Puslinch
- Puslinch Lake
- Putnam