| PAU | Public Appointments Unit | - | Chatting Acronyms |
| PBGC | The Pension Benefit Guaranty Corporation | - | Chatting Acronyms |
| PBR | Pre Budget Report | - | Chatting Acronyms |
| PC | Personal Computer | - | Chatting Acronyms |
| PE | Price To Earnings (Ratio) | - | Chatting Acronyms |
| PFI | Private Finance Initiative | - | Chatting Acronyms |
| PIU | Public Inquiry Unit | - | Chatting Acronyms |
| PMI | Private Mortgage Insurance | - | Chatting Acronyms |
| POP | Public Offering Price | - | Chatting Acronyms |
| PPP | Public Private Partnership | - | Chatting Acronyms |
| PPT | Plunge Protection Team (an Unknown Buyer Who "makes The Market" During Sharp Downturns) | - | Chatting Acronyms |
| PQ | Parliamentary Question | - | Chatting Acronyms |
| PSA'S | Public Service Agreements (UK) | - | Chatting Acronyms |
| PSNB | Public Sector Net Borrowing | - | Chatting Acronyms |
| PSP | Profit Sharing Plan | - | Chatting Acronyms |
| PSS | Personal Social Services | - | Chatting Acronyms |
| PWLB | Public Works Loan Board | - | Chatting Acronyms |
