| Abbreviation | Definition |
|---|---|
| PHIL | Prosthetic Head In Lego |
| PHLA | Paris Hilton Liberation Army |
| PHM | Pretty Hate Machine |
| PHO | Pretty Hairy Oregonians |
| PHOSIA | Person Having Ordinary Skill in the Art |
| PHP | People Hate Perl |
| PHP | Poor Hippy Poker |
| PHP | Powerfull Hippy People |
| PHP | Pretty Horrid Privacy |
| PHP | Pretty Hot Pig |
| PHP | Pretty Hot Programmer |
| PHP | Push Harder Please |
| PHS | Phone Home Swiftly |
| PHT | Putting Hubby Through |
| PHWN | Pasco Hernando Women's Network |
| PHYSICS | Physical Health Youths Science Intelligent Courageous Students |
| PHYSICS | Physical Health Youths Science Intelligent Courageous Students |
| PI | Phantom Investigator |
| PIA | Pain In Ass |
| PIAP | Poogy In A Pitah |