| Abbreviation | Definition |
|---|---|
| PHC | Paragon Hotel Company |
| PHPA | Photo d'Hôtel Photo d'Auteur |
| PHRI | Perhimpunan Hotel dan Restoran Indonesia |
| PHRS | Philippine Hotel Reservations Service |
| PICT | Publicity Information Culture Tourism |
| PINS | Padre Island National Seashore |
| PIRT | Pan India Road Trip |
| PITA | Professional Internet Travel Alliance |
| PITE | Pacific International Tourism Expo |
| PITG | Pacific Islands Tourism Guide |
| PJT | Pop Japan Travel |
| PKT | Passenger Kilometer Traveled |
| PMTS | Planning and Management of Tourism Systems |
| PNTO | Polish National Tourism Organisation |
| PNTO | Polish National Tourist Office |
| PNTO | Portuguese National Tourist Office |
| POAT | Portrait of American Travelers |
| POFQ | Port Orleans French Quarter |
| POTG | Pacific Outfitters Travel Gear |
| POVR | Pend Oreille Valley Railroad |