| Acronym | Definition |
|---|
| PBE | Piccola Biblioteca Einaudi (Italian library) |
| PBE | Public Beta Environment (game software testing) |
| PBE | Place-Based Education |
| PBE | Protective Breathing Equipment |
| PBE | Perfect Bayesian Equilibrium |
| PBE | Poisson-Boltzmann Equation (physics) |
| PBE | Password Based Encryption (cryptography) |
| PBE | Preferred Binary Encoding |
| PBE | Password Based Encryption |
| PBE | Parallel Basic E-Books |
| PBE | Performance Boost Engine |
| PBE | Personal Belief Exemption |
| PBE | Performance Based Entry (golf) |
| PBE | Portable Breathing Equipment (aircraft) |
| PBE | Pretty Blue Eyes |
| PBE | Programming By Example |
| PBE | Philippine Business for Environment (est. 1992) |
| PBE | Personal Breathing Equipment |
| PBE | Prompt By Example |
| PBE | Pro Business Edition (software) |
| PBE | Paint Body Equipment |
| PBE | Product and Brand Experience (Bavarian Motor Works) |
| PBE | Pool Boiling Experiment |
| PBE | Plain Both Ends |
| PBE | Pakistan Broadcasting Experience (Pakistan) |
| PBE | Problem Between Ears |
| PBE | Permission-Based Email |
| PBE | Packard Bell Electronics |
| PBE | Peanut Butter Exhibition |
| PBE | Powerful Beautiful Excellent (John Forte song) |
| PBE | Play by Ear |
| PBE | Prompt Burst Excursion |
| PBE | Prompt Burst Experiment |
| PBE | Population-Based Experiment |
| PBE | Professional Billing Environment |
| PBE | Post Benefit Evaluation (UK) |
| PBE | Preliminary Budget Estimate (various organizations) |
| PBE | Pending Break Encoding (computing) |
| PBE | Professional Broadcast Engineer (certification) |
| PBE | Perdue Burke Ernzerhof (computational chemistry) |