- Pacific Ocean
- Pacific Palisades
- Pacifica (San Mateo, California)
- Pacoima
- Page County
- Pakistan
- Palatine
- Palau
- Palestine
- Palm Bay (Brevard, Florida)
- Palm Beach (Palm Beach, Florida)
- Palm Beach County
- Palm Beach Gardens
- Palm Beach Shores
- Palm City
- Palm Desert
- Palm Springs (Palm Beach, Florida)
- Palm Springs (Riverside, California)
- Palmdale
- Palmer Township
- Palms
- Palo Alto (Santa Clara, California)
- Palos Heights
- Palos Hills
- Palos Park
- Palos Verdes Estates
- Panama
- Panama City (Panama)
- Panorama City
- Papua New Guinea
- Paradise (Butte, California)
- Paraguay
- Paramount
- Paris (France)
- Park City
- Park Forest
- Park Hill
- Park La Brea
- Park Ridge
- Park Slope
- Parkchester
- Parkland
- Parksley (Accomack, Virginia)
- Parkville
- Parramore
- Pasadena (Anne Arundel, Maryland)
- Patapsco
- Patchogue
- Patrick County
- Patterson Park
- Pearblossom
- Peconic
- Pelham Bay
- Pelham Gardens
- Pelham Parkway
- Pembroke (Giles, Virginia)
- Pembroke (Kankakee, Illinois)
- Pembroke Park
- Pembroke Pines
- Pen Argyl
- Pennsville
- Pennsylvania Turnpike
- Peotone
- Perquimans County
- Perrine
- Perris (Riverside, California)
- Perry Hall
- Peru
- Petaluma (Sonoma, California)
- Petersburg (Petersburg, Virginia)
- Philadelphia County
- Philippines
- Phillipsburg
- Phnom Penh (Cambodia)
- Phoebus (Hampton, Virginia)
- Phoenix (Cook, Illinois)
- Phoenix (Maricopa, Arizona)
- Pico Rivera
- Pico-Union
- Pigtown
- Pikesville
- Pilsen
- Pima County
- Pine Hills
- Pinecrest
- Pinellas County (Florida)
- Pingree Grove
- Pipersville
- Pittsburg (Contra Costa, California)
- Pittsburgh
- Pittsylvania County
- Placentia (Orange, California)
- Placer County
- Placerville (El Dorado, California)
- Plainfield (Will, Illinois)
- Plainfield (Windham, Connecticut)
- Plainview
- Plainville
- Plandome
- Plano
- Plantation
- Playa Del Rey
- Pleasant Plains
- Pleasant Valley
- Pleasanton (Alameda, California)
- Plumas County (California)
- Pocomoke City
- Podgorica (Montenegro)
- Poinciana
- Point Harbor
- Point Lookout
- Point Phillip
- Poland
- Polk County
- Polk County (Iowa)
- Polynesia
- Pomfret
- Pomona
- Pomonok
- Pompano Beach
- Poquoson (Poquoson, Virginia)
- Port Deposit
- Port Jefferson
- Port Jefferson Station
- Port Morris
- Port Orange
- Port Richmond
- Port St. Lucie (St. Lucie, Florida)
- Port-au-Prince (Haiti)
- Portage Park
- Porter
- Porter County
- Porterville (Tulare, California)
- Portland (Multnomah, Oregon)
- Portsmouth (Portsmouth, Virginia)
- Portugal
- Posen
- Postville
- Powder Valley
- Powhatan County
- Prague (Czech Republic)
- Prairie Grove
- Pratt Street
- Preston
- Pretoria (South Africa)
- Prince Edward County
- Prince George County
- Prince George's County
- Prince William County
- Prince's Bay
- Princess Anne
- Prospect
- Prospect Heights (Brooklyn, New York)
- Prospect Heights (Cook, Illinois)
- Prospect Lefferts Gardens
- Providence (Providence, Rhode Island)
- Providence Forge
- Puerto Rico
- Pulaski County (Arkansas)
- Pulaski County (Virginia)
- Pullman
- Pune (India)
- Pungo
- Putnam
- Pyongyang (North Korea)