| Acronym | Definition |
|---|
| PIEA | Petroleum Institute of East Africa (oil industry group; Nairobi, Kenya; est.1999) |
| PIEA | Photo Imaging Education Association |
| PIEA | Programa de Iniciativas Estudiantiles Académicas (Spanish: Student Academic Program Initiatives; Chile) |
| PIEA | Politique Institutionnelle d'évaluation des Apprentissages (Quebec, Canada) |
| PIEA | Petroleum Industry Electrical Association |
| PIEA | Proprietary Information Exchange Agreement |
| PIEA | Peel International Education Alliance (educational organization; Oakville, Ontario,Canada) |