| Acronym | Definition |
|---|
| PBA | Professional Bowlers Association |
| PBA | Philippine Basketball Association |
| PBA | Palm Beach Atlantic University (West Palm Beach, Florida) |
| PBA | Partial-Birth Abortion |
| PBA | Public Broadcasting Atlanta (Georgia, USA) |
| PBA | Pennsylvania Bar Association |
| PBA | Pre-Boot Authentication (computer security) |
| PBA | Provincia de Buenos Aires (Argentina) |
| PBA | Prevent Blindness America (since 1908) |
| PBA | Portland Business Alliance |
| PBA | Pseudobulbar Affect (neurologic disorder) |
| PBA | Performance Based Acquisition |
| PBA | Printed Board Assembly |
| PBA | Pine Bluff Arsenal |
| PBA | Performance Based Assessment |
| PBA | Peter Brett Associates (UK) |
| PBA | Please Be Advised |
| PBA | Patrolman's Benevolent Association |
| PBA | Performance Based Agreement |
| PBA | Poly-Butyl Acrylate |
| PBA | Predictive Battlespace Awareness |
| PBA | Police Benevolence Association |
| PBA | Progressive Bag Alliance |
| PBA | Pattern of Business Activity (business statistic) |
| PBA | Paralysis By Analysis |
| PBA | Price-Based Acquisition |
| PBA | Portable Breathing Apparatus |
| PBA | Peter Basso Associates (Troy, MI engineering firm) |
| PBA | Point Barrow Airport (Alaska) |
| PBA | Pyrenebutyric Acid |
| PBA | Potomac Bonsai Association (association of Bonsai Clubs in VA, MD, PA,& DC) |
| PBA | Propulsion Business Area (at the former Kelly AFB, TX) |
| PBA | Preliminary Benefit Analysis (EPA) |
| PBA | Paid By Agent (shipping) |
| PBA | Pyrrhura Breeders Association |
| PBA | Production Base Analysis |
| PBA | Pressure Breathing for Altitude |
| PBA | Prosecutors Bar Association |
| PBA | Per-Band Access (Nortel) |
| PBA | Perfect Binary Array |
| PBA | Pencil Beam Antenna |
| PBA | Pattern-Based Approach (software architecture) |
| PBA | Poultry Breeders Association |
| PBA | Product Brand Architecture |
| PBA | Pressurized Berthing Adapter |
| PBA | push button annunciator |
| PBA | Port Based Authentication |
| PBA | Process Balance Area |
| PBA | Printed Circuit Board Assembled (PCB with parts soldered) |
| PBA | Phosphor Bronze Armour |
| PBA | Physical Base Address (computer memory) |
| PBA | Plain Balloon Angioplasty |
| PBA | Pembrokeshire Baptist Association (Wales, UK) |
| PBA | Polar Bear Association |
| PBA | Program and Budget Analysis |
| PBA | Potential Bad Actor |
| PBA | Piedmont Beekeepers Association (Huddleton, VA) |
| PBA | Post Blast Analysis |
| PBA | Pattern-Based Approach |
| PBA | Parsons Brinckerhoff Africa (Pty) Ltd. (engineering firm) |
| PBA | Pulitzer/Bogard & Associates, LLC (Lido Beach, NY criminal justice consulting) |
| PBA | Perfect Boundary Approximation |
| PBA | Paintball Action (Albuquerque, New Mexico) |
| PBA | Professional Bad-Ass |
| PBA | Planning and Building Act (various nations) |
| PBA | Principle-Based Approach (accounting) |
| PBA | Plant Breeding Academy (University of California, Davis) |
| PBA | Program in Business Administration (various schools) |
| PBA | Pressure Balance Anchor (pipe recovery tool) |
| PBA | Personal Bank Account |