| Abbreviation | Definition |
|---|---|
| PHW | Potomac Heights Wrestling |
| PHW | PowerHouse Wrestling |
| PHW | Pride and Honor Wrestling |
| PHW | Psychotic Hardcore Wrestling |
| PHWE | Phil's Home Wrestling Entertainment |
| PHWF | Potomac Heights Wrestling Federation |
| PHWL | Pure Hardcore Wrestling League |
| PHXBC | Phoenix Badminton Center |
| PHYC | Portsmouth Harbour Yacht Club |
| PIAA | Pennsylvania Interscholastic Athletic Association |
| PICO | Person In Charge Of Olympiads |
| PIE | Pep Initiative And Enthusiasm |
| PIE | Purely Insane Extreme |
| PIF | Play It Forward |
| PIF | Powerbomb Into Facebuster |
| PIG | Patented Interactive Grip |
| PIG | Pfeifferhorn Including Glissading |
| PIG | Play Interactive Games |
| PIG | Purely Independent Games |
| PIHA | Professional Inline Hockey Association |