Vi har så langt registrert 1 478 havner
| Navn | Grunnlagt | | Pearl Harbor | |
| Pembroke | |
| Penang | |
| Penetcost | |
| Pensacola, Florida, USA | |
| Pentland | |
| Pernambuco, Brasil | |
| Persiske Gulf | |
| Perth, Amboy; New Jersey, USA | |
| Perth, Vest Australia | |
| Peru | |
| Peterborough, Cambridgeshire, England | |
| Peterhead, Aberdeenshire, Skottland | |
| Peterhead-basen | |
| Petrograd - St. Petersburg, Russland | |
| Philadelphia, PA, USA | |
| Phillippeville (Skikda) Algerie | |
| Pictou | |
| Pillau, Russland | |
| Piombino | |
| Pireus | |
| Piteå | |
| Plymouth, Devon, England | |
| Plymouth, Mass, USA | |
| Point Comfort | |
