| Abbreviation | Definition |
|---|---|
| PAF | Portland Advertising Federation |
| PAMS | Production Advertising Merchandising Service |
| PAMS | Production Advertising Merchandising Services |
| PANA | Philippine Association of National Advertisers |
| PBN | Private Blog Network |
| PEPSI | Please Enlarge Penis to Save Israel |
| PEPSI | Please Enter Penis Slowly Inside |
| POA | Proof of Advertising |
| POMS | Perfect Outdoor Media Services |
| PRAD | Public Relations and Advertising |
| QHX | Quarter Horse Cross |
| QHX | Quarter Horse Cross Used to describe a horse for sale: |
| QLGLtd | Quality Lead Generation Ltd |
| RACC | Radio Advertising Clearance Centre |
| RAF | Refer-A-Friend |
| RAF | Rochester Advertising Federation |
| RAIC | Rakuten Advertising International Collective |
| RAMA | Retail Advertising and Marketing Association |
| RBR | Rage Bella Ra |
| REAL | Resist Exposed Advertising Lies |