| Island's Name | Island group(s) | Country/Countries |
|---|
| Paama | Pacific Ocean |  Vanuatu |
| Paden | Ohio River,  West Virginia |  United States |
| Padgett |  Arkansas | United States |
| Padloping |  Nunavut |  Canada |
| Padre |  Texas | United States |
| Pag | Adriatic Sea |  Croatia |
| Pak | Admiralty Islands |  Papua New Guinea |
| Pakatoa | Hauraki Gulf |  New Zealand |
| Palagruža | Adriatic Sea | Croatia |
| Palánki-sziget | Danube River |  Hungary |
| Palau | |  Palau |
| Palawan | Visayas |  Philippines |
| La Palma |  Canary Islands |  Spain |
| Palmeira | Alentejo Islands |  Portugal |
| Palmeira Pequena | Alentejo Islands | Portugal |
| Palmerston | Cook Islands |  Cook Islands |
| Palm Island |  Aruba |  Kingdom of the Netherlands |
| Palmižana | Adriatic Sea | Croatia |
| Palu'e | Lesser Sunda Islands |  Indonesia |
| Panarea | Aeolian Islands |  Italy |
| Panay | Visayas | Philippines |
| Pancake |  Rhode Island | United States |
| Pandora | Nunavut | Canada |
| Pangkor |  Perak |  Malaysia |
| Panmure |  Prince Edward Island | Canada |
| Pantar | Alor Archipelago | Indonesia |
| Pantelleria | Strait of Sicily | Italy |
| Pap-sziget | Danube River | Hungary |
| Papa |  Shetland Islands |  Scotland |
| Papa Little | Shetland Islands | Scotland |
| Papa Stour | Shetland Islands | Scotland |
| Papa Stronsay | The North Isles,  Orkney Islands | Scotland |
| Papa Westray | The North Isles, Orkney Islands | Scotland |
| Paquetá | Guanabara Bay |  Brazil |
| Parker |  Alabama | United States |
| Parris |  South Carolina | United States |
| Paros | Cyclades |  Greece |
| Parrachill | Beira Litoral Islands | Portugal |
| Parry | Georgian Bay  Ontario | Canada |
| Pasalimani | Marmara Islands |  Turkey |
| Pasaran | | Indonesia |
| Pašman | | Croatia |
| Pasque | Elizabeth Islands,  Massachusetts | United States |
| Pasumpahan | | Indonesia |
| Pate | Lamu Islands |  Kenya |
| Patience | Rhode Island | United States |
| Pátmos | Dodecanese | Greece |
| Patos | San Juan Islands,  Washington | United States |
| Patroklou | Saronic Islands | Greece |
| Patton | Tennessee River, Alabama | United States |
| Paul |  Newfoundland and Labrador | Canada |
| Pavell | Sabine River, Texas | United States |
| Paw Paw |  Mississippi | United States |
| Pawleys | South Carolina | United States |
| Paxi | Ionian Islands | Greece |
| Pea Patch |  Delaware | United States |
| Peach | Alabama | United States |
| Peach Blossom | |  China |
| Peaks | Casco Bay,  Maine | United States |
| Peale |  Wyoming | United States |
| Pearl | San Juan Islands, Washington | United States |
| Pearl River |  Louisiana | United States |
| Pearse |  British Columbia | Canada |
| Pebble |  Falkland Islands |  United Kingdom |
| Peberholm | artificial island at Oresund |  Denmark |
| Peche | Detroit River, Ontario | Canada |
| Peddocks | Boston Harbor, Massachusetts | United States |
| Pedra Branca | | Claimed by  Singapore and Malaysia |
| Bedra | Beira Litoral Islands | Portugal |
| Pelee | Lake Erie, Ontario | Canada |
| Peleng | Kepulauan Banggai group | Indonesia |
| Pelican | Lake Shala |  Ethiopia |
| Pelican | Alabama | United States |
| Pelican | Louisiana | United States |
| Pelican |  Missouri | United States |
| Pelican |  Nevada | United States |
| Pelican | Texas | United States |
| Pelican Point | Louisiana | United States |
| Pelican Roost | Wyoming | United States |
| Pellinge | Porvoo |  Finland |
| Pellworm | North Frisian Islands |  Germany |
| Pemba | Spice Islands |  Tanzania |
| Penang | Straits of Malacca, .svg.png) Penang | Malaysia |
| Pender | Gulf Islands, British Columbia | Canada |
| Peng Chau | Islands District,  Hong Kong | China |
| Penguin | Lüderitz Bay |  Namibia |
| Penguin | South Shetland Islands | Claimed by Argentine Antarctica,  Argentina,  Antártica Chilena Province,  Chile, and  British Antarctic Territory, United Kingdom |
| Penikese | Elizabeth Islands, Massachusetts | United States |
| Penrhyn | Cook Islands | Cook Islands |
| Pentecost | Pacific Ocean | Vanuatu |
| Perceveira | Alentejo islands | Portugal |
| Perdido Key |  Florida | United States |
| Isla Perejil Parsley Island | Plazas de Soberanía, Strait of Gibraltar | Spain |
| Perhentian Besar | Perhentian Islands | Malaysia |
| Perhentian Kecil | Perhentian Islands | Malaysia |
| Île Perrot |  Quebec | Canada |
| Perry | Mississippi River, Missouri | United States |
| Perseverance | Lake Huron, Ontario | Canada |
| Peristera | Northern Sporades | Greece |
| Peruque | Mississippi River, Missouri | United States |
| Pessegueiro | Alentejo islands | Portugal |
| Pest |  New Hampshire | United States |
| Petalas | Ionian Islands | Greece |
| Peter I | Bellingshausen Sea |  Norway |
| Peters | Alabama | United States |
| Peters | Arkansas | United States |
| Petersfield | Delaware | United States |
| Petit Bois | Mississippi | United States |
| Petit de Grat |  Nova Scotia | Canada |
| Petőfi-sziget | | Hungary |
| Petrie Island | Ottawa River, Ottawa, Ontario | Canada |
| Pettys |  New Jersey | United States |
| Pfaueninsel | Havel River | Germany |
| Pharaoh's | Gulf of Aqaba |  Egypt |
| Pharaoh's | River Thames,  England | United Kingdom |
| Pharra | Mississippi River, Missouri | United States |
| Pheasant | Bidasoa River, shared between Gipuzkoa and Pyrénées-Atlantiques | Shared by Spain and  France |
| Philae | Nile River | Egypt |
| Phillips | Rhode Island | United States |
| Phillis | Barnstable Harbor, Massachusetts | United States |
| Phillis | Ohio River,  Pennsylvania | United States |
| Pholegandros | Cyclades | Greece |
| Philo Brice | Timbalier Bay, Louisiana | United States |
| Phu Quoc | Gulf of Thailand |  Vietnam |
| Pianosa | Tuscan Archipelago | Italy |
| Piasa | Mississippi River,  Illinois | United States |
| Pickel | French Broad River,  Tennessee | United States |
| Picket |  Vermont | United States |
| Pico |  Azores | Portugal |
| Picton | Antártica Chilena Province | Chile |
| Pictou | Nova Scotia | Canada |
| Pierce | Spofford Lake, New Hampshire | United States |
| Pig | Arkansas | United States |
| Pihlajasaari | Helsinki | Finland |
| Piirissaar | Lake Peipus |  Estonia |
| Pike |  Minnesota | United States |
| Pileni | Solomon Islands |  Solomon Islands |
| Pine | Arkansas | United States |
| Pine | Arkansas | United States |
| Pine | Arkansas | United States |
| Pine | Georgian Bay Ontario | Canada |
| Pine | Windy Lake Ontario | Canada |
| Pine | Lake Huron, Ontario | Canada |
| Pine | Rhode Island | United States |
| Pine | Vermont | United States |
| Pine | Vermont | United States |
| Ping Chau | Hong Kong | China |
| Pinto | Alabama | United States |
| Piperi | Northern Sporades | Greece |
| Pippin Towhead | Alabama | United States |
| Pirallahı | Baku, Caspian Sea |  Azerbaijan |
| Pirumeri | Shortland Islands | Solomon Islands |
| Piss Pot | South Branch Potomac River, West Virginia | United States |
| Pitcairn |  Pitcairn Islands | British overseas territories |
| Isle au Pitre | Louisiana | United States |
| Pitt | British Columbia | Canada |
| Plane Crash |  Arizona | United States |
| Plato | Rhode Island | United States |
| Pleasant | Arkansas | United States |
| Pleasant | Georgian Bay Ontario | Canada |
| Pleasure | Sabine Lake, Texas | United States |
| Plum | Massachusetts | United States |
| Plum |  New York | United States |
| Plum | Lake Michigan,  Wisconsin | United States |
| Plumpudding | | Namibia |
| Plateia Aiginis | Saronic Islands | Greece |
| Poi Toi | Po Toi Islands, Hong Kong | China |
| Poço | Beira Litoral islands | Portugal |
| Poel | Baltic Sea | Germany |
| Pohnpei | Senyavin Islands, Micronesia |  Federated States of Micronesia |
| Point au Fer | Louisiana | United States |
| Point of Cedars | Delaware | United States |
| Pollopel | Hudson River, New York | United States |
| Poker Hill | Arkansas | United States |
| Polyaigos | Cyclades | Greece |
| Pomham | Rhode Island | United States |
| Pomona | | Namibia |
| Ponui | Hauraki Gulf | New Zealand |
| Ponza | Pontine Islands | Italy |
| Pooley | British Columbia | Canada |
| Popasquash | Vermont | United States |
| Popes | New Bedford Harbor, Massachusetts | United States |
| Poplar | Tygart Valley River, West Virginia | United States |
| Porcher | British Columbia | Canada |
| Poros | Saronic Islands | Greece |
| Port Hamilton | |  South Korea |
| Port | Islands of Gdańsk |  Poland |
| Portage | Mississippi River, Missouri | United States |
| Portage | Georgian Bay Ontario | Canada |
| Portage | Washington | United States |
| Portland | British Isles | United Kingdom |
| Porto Santo | Madeira Islands | Portugal |
| Possession | | Namibia |
| Potato | Severn Sound Ontario | Canada |
| Potato | Rhode Island | United States |
| Potvin | French River Ontario | Canada |
| Pourewa | Tolaga Bay | New Zealand |
| Poveglia | Venice | Italy |
| Powell | South Orkney Islands | Claimed by:
United Kingdom as part of the Falkland Islands and by
Argentina |
| Prairie Point Towhead | Mississippi River, Arkansas | United States |
| Prall's | Arthur Kill, New York | United States |
| Prangli | Gulf of Finland | Estonia |
| Premuda | Adriatic Sea | Croatia |
| Prescott | Nunavut | Canada |
| Prevlaka | Bay of Kotor Islands |  Montenegro |
| Price | British Columbia | Canada |
| Price | Alabama | United States |
| Prickley Pear | Delaware | United States |
| Príncipe | Gulf of Guinea |  São Tomé and Príncipe |
| Prince | Alabama | United States |
| Prince Charles | Queen Elizabeth Islands, Nunavut | Canada |
| Prince Edward | Prince Edward Island | Canada |
| Prince Patrick |  Northwest Territories | Canada |
| Prince of Wales | British Columbia | Canada |
| Princess Royal | British Columbia | Canada |
| Prins Karls Forland | Svalbard | Norway |
| Procida | Flegree Islands | Italy |
| Profit | Mississippi River, Louisiana | United States |
| Protection | Washington | United States |
| Providencia |  San Andrés y Providencia |  Colombia |
| Providence | Vermont | United States |
| Province | Vermont | United States |
| Prudence | Narragansett Bay, Rhode Island | United States |
| Pruetts | Alabama | United States |
| Pruitt | Arkansas | United States |
| Prvić | Adriatic Sea | Croatia |
| Pryor | Ohio River,  Kentucky | United States |
| Psara | Greek Archipelago | Greece |
| Psathoura | Northern Sporades | Greece |
| Pserimos | Dodecanese | Greece |
| Psili | Saronic Islands | Greece |
Puerto Rico  | Greater Antilles | United States |
| Puffin | |  Ireland |
| Puffin | |  Wales |
| Puffin | |  Iceland |
| Puffin |  Alaska | United States |
| Puffin | Newfoundland and Labrador | Canada |
| Puget | Columbia River, Washington | United States |
| Puka-Puka | Disappointment Islands,  Tuamotus,  French Polynesia | France |
| Pukapuka | Cook Islands | New Zealand |
| Pukarua | Tuamotus, French Polynesia | France |
| Pulau Adonara | Malay Archipelago | Indonesia |
| Pulau Alor | Malay Archipelago | Indonesia |
| Pulau Aman | Penang | Malaysia |
| Pulau Atauro | Malay Archipelago |  East Timor |
| Pulau Besar |  Malacca | Malaysia |
| Pulau Besar |  Johor | Malaysia |
| Pulau Betong | Penang | Malaysia |
| Pulau Carey |  Selangor | Malaysia |
| Pulau Galang | Riau Archipelago | Indonesia |
| Pulau Gedung | Johor | Malaysia |
| Pulau Indah | Selangor | Malaysia |
| Pulau Jaco | Malay Archipelago | East Timor |
| Pulau Ketam | Selangor | Malaysia |
| Pulau Kisar | Malay Archipelago | Indonesia |
| Pulau Klang | Selangor | Malaysia |
| Pulau Kombe | Malay Archipelago | Indonesia |
| Pulau Lomblen | Malay Archipelago | Indonesia |
| Pulau Melaka | Malacca | Malaysia |
| Pulau Obira | Malay Archipelago | Indonesia |
| Pulau Pantar | Malay Archipelago | Indonesia |
| Pulau Payar |  Kedah | Malaysia |
| Pulau Pemanggil | Johor | Malaysia |
| Pulau Rawa | Johor | Malaysia |
| Pulau Romang | Malay Archipelago | Indonesia |
| Pulau Roti | Malay Archipelago | Indonesia |
| Pulau Semau | Malay Archipelago | Indonesia |
| Pulau Sibu | Johor | Malaysia |
| Pulau Solor | Malay Archipelago | Indonesia |
| Pulau Tengah | Johor | Malaysia |
| Pulau Tenggol | | Malaysia |
| Pulau Tiga |  Sabah | Malaysia |
| Pulau Tikus | Penang | Malaysia |
| Pulau Tinggi | Johor | Malaysia |
| Pulau Wetar | | Indonesia |
| Pullen | New Jersey | United States |
| Puná | Gulf of Guayaquil |  Ecuador |
| Pulincunnu | Pamba River, Kerala |  India |
| Psyttaleia | Saronic Islands | Greece |
| Pyramid | Nevada | United States |