| Acronym | Definition |
|---|
| PBI | Polybenzimidazole (fire resistant fabric) |
| PBI | Palm Beach International Airport |
| PBI | Producto Bruto Interno |
| PBI | Polar Bears International (Occidental, California) |
| PBI | Product Backlog Item |
| PBI | Peace Brigades International |
| PBI | Pennsylvania Bar Institute |
| PBI | Peripheral Bus Interface |
| PBI | Profiler Batch Input |
| PBI | Programmable Binary Image |
| PBI | Phone Based Interface |
| PBI | Profiler Binary Input |
| PBI | Powerbasic Include File |
| PBI | Performance Based Incentive |
| PBI | Pro Bono Institute (et. 1966; Washington, DC) |
| PBI | Palm Beach Institute (West Palm Beach, FL) |
| PBI | Prairie Bible Institute (Alberta, Canada) |
| PBI | Polska Biblioteka Internetowa (Polish: Polish Internet Library) |
| PBI | Parallel Bus Interface |
| PBI | Primary Blast Injury |
| PBI | Plant Breeding Institute |
| PBI | Poor Bloody Infantry (British) |
| PBI | Pacific Bell Internet |
| PBI | Protein Bound Iodine |
| PBI | Performance Based Infrastructure (California) |
| PBI | Private Banking International |
| PBI | PC-BSD Installer |
| PBI | Pacific Basin Institute |
| PBI | Profiler Binary Input (file extension; Microsoft) |
| PBI | PepsiCo Beverages International |
| PBI | Pension Benefit Information (San Rafael, CA) |
| PBI | Pontifical Biblical Institute |
| PBI | Pharma & Bio Ingredients (trade magazine) |
| PBI | Pitney Bowes International |
| PBI | Performance Based Interviewing (human resources job candidate screening method) |
| PBI | Prime Bank Instrument (investment fraud) |
| PBI | Public Browser Interface |
| PBI | West Palm Beach, FL, USA - Palm Beach International Airport (Airport Code) |
| PBI | Performance Based Instruction |
| PBI | Professional Bowling Instruction |
| PBI | Proactive Business Intelligence (Panorama) |
| PBI | Partial-Band Interference |
| PBI | Push-Button Indicator |
| PBI | Please Be Informed |
| PBI | Programme Budget Implication |
| PBI | Partial-Body Irradiation |
| PBI | Physics Based Industries |
| PBI | Pilot Biographical Inventory (Aviation Selection Test Battery) |
| PBI | Processor Bus Interface |
| PBI | Beth Israel Hospital Association of Passaic |
| PBI | Plant Biology Institute |
| PBI | Post Boost Intercept |
| PBI | Please Believe It |
| PBI | Politely Butting in |
| PBI | Program Baseline Integration |
| PBI | Planning, Budgeting, and Initiating |
| PBI | Program Budget Instructions |