| Acronym | Definition |
|---|
| PPB | Parts per Billion |
| PPB | Parti Pesaka Bumiputera Bersatu (Malaysian political party) |
| PPB | Processo Produtivo Básico (Portuguese: Basic Productive Process) |
| PPB | Plasma Protein Binding |
| PPB | Petunia Pickle Bottom (designer baby products) |
| PPB | Personal Phone Book |
| PPB | Post Processor Builder |
| PPB | Print Preview Button Bar |
| PPB | Promotional Products Business |
| PPB | Party Political Broadcast |
| PPB | Planning, Programming, & Budgeting |
| PPB | Public Policy Board (various organizations) |
| PPB | Primary Place of Business |
| PPB | Potassium Phosphate Buffer |
| PPB | Perl's Prussian Blue (chemical stain) |
| PPB | Processed Products Branch (USDA) |
| PPB | Professional Practice Board (British Psychological Society) |
| PPB | Public Procurement Board (various nations) |
| PPB | Pounds Per Barrel |
| PPB | Plans, Program and Budget (US DHS) |
| PPB | Physical Plant Building |
| PPB | progetto preliminare di bilancio |
| PPB | Perlis Plantations Berhad |
| PPB | Proprietary Positioning Business |
| PPB | Postpolypectomy Bleeding |
| PPB | Provisioning Parts Breakdown |
| PPB | Partido Progressita Brasileiro (Progressist Party - Brazil) |
| PPB | Potato Peel Bandage |
| PPB | Power Plant Bulletin |
| PPB | Parks Planning Board |
| PPB | Protección de cada Buque de la Compañía |
| PPB | Personnel and Pension Bureau (Ministry of Internal Affairs and Communications; Japan) |
| PPB | Project Performance Baseline |