| Acronym | Definition |
|---|
| PEA | Phenylethylamine |
| PEA | Población Económicamente Activa (Spanish: Economically Active Population; economics) |
| PEA | Plan d'Epargne en Actions (French stock thrift) |
| PEA | Phillips Exeter Academy (secondary school) |
| PEA | Pulseless Electrical Activity |
| PEA | População Economicamente Ativa (Portuguese: Economically Active Population) |
| PEA | Preliminary Economic Analysis |
| PEA | Professional Employees Association (Canada) |
| PEA | Phosphoethanolamine |
| PEA | Portuguese East Africa (now Mozambique) |
| PEA | Preliminary Environmental Assessment |
| PEA | Preliminary Endangerment Assessment |
| PEA | Polyether Amine (automotive fuel additive) |
| PEA | Phoenix East Aviation (flight school; Florida) |
| PEA | Projeto Esperança Animal (Brazil, Portuguese) |
| PEA | Pocket Ethernet Adapter |
| PEA | Preemptive Attack |
| PEA | Psychic Entertainers Association |
| PEA | poly ethyl acrylate |
| PEA | Programme d'Études en Allemagne (French: Study Program in Germany) |
| PEA | Primary Education Advisor |
| PEA | Planning Emphasis Area |
| PEA | Procurement Executives' Association |
| PEA | Poudre Education Association (Colorado) |
| PEA | Departamento de Energia e Automação Elétricas (Portugese; POLI - USP São Paulo, Brazil) |
| PEA | Potentially Explosive Atmosphere |
| PEA | Policy Enforcement Agent |
| PEA | Performance Evaluation Audit |
| PEA | Professional Engineer and Architect |
| PEA | Pacific Energy Associates, Inc. |
| PEA | Palestine Energy Authority |
| PEA | Point Evidence Analysis (writing guideline mnemonic) |
| PEA | Peace Establishment Authority |
| PEA | Program Element Administrator |
| PEA | Public Economic Agency |
| PEA | Programme Exoertise et Appui |
| PEA | Public Education Advocates |
| PEA | Parliamentary Elections Act (various locations) |
| PEA | Preferred Email Address (various schools) |
| PEA | Please Ensure Attendance |
| PEA | Planning Enabling Act (various locations) |
| PEA | Personalized Email Account (University of Texas at Dallas) |
| PEA | Private Employment Agency (various locations) |
| PEA | Prevention of Elder Abuse (various locations) |
| PEA | Provincial Electricity Authority (Thailand) |