| Acronym | Definition |
|---|
| PAE | Physical Address Extension |
| PAE | Power-Added Efficiency |
| Pae | Pseudomonas aeruginosa |
| PAE | Programa de Aperfeiçoamento de Ensino (Brazil) |
| PAE | Port Access Entity (IEEE 802.1x; aka LAN port) |
| PAE | Programme d'Aménagement d'Ensemble (French: Comprehensive Development Program) |
| PAE | Programa de Alimentación Escolar (Guatemala) |
| PAE | Program Analysis and Evaluation |
| PAE | Projet d'Action Éducative (French: Educational Action Project) |
| PAE | Post Antibiotic Effect |
| PAE | Plano de Aproveitamento Econômico (Portugese: Economic Exploitation Plan; Brazil) |
| PAE | Physical Aptitude Exam (for admission to US military service academies) |
| PAE | Page Address Extension |
| PAE | Programa Alimentario Escolar (Spanish) |
| PAE | Programa de Ayuda al Empleado (Guatemala) |
| PAE | Pacific Architects and Engineers, Inc. (subsidiary of Lockheed Martin Corporation) |
| PAE | Pimpin' Aint Easy |
| PAE | Peer Access Enforcement |
| PAE | Performance Assurance Engineer |
| PAE | Preliminary Airworthiness Evaluation |
| PAE | Payload Attached Equipment |
| PAE | Product Assurance Engineer |
| PAE | Plans, Analysis, and Evaluation (US government) |
| PAE | Personal Accident and Personal Effects Insurance |
| PAE | Peripheral Arterial Exam |
| PAE | Pre-Arranged Extension |
| PAE | Process Antenna Effect |
| PAE | Progressive Architecture Engineering (consulting firm) |
| PAE | Project Assurance Engineer |
| PAE | Public Affairs Event |
| PAE | Everett, WA, USA - Paine Field/Snohomish County International Airport (Airport Code) |
| PAE | Programa de Ayudas Especiales (Guatemala) |
| PAE | Performing Arts Exchange (various locations) |