| Acronym | Definition |
|---|
| NPEA➣National Pony Express Association |
| NPEA➣National Pension Education Association (formerly National Preretirement Education Association) |
| NPEA➣National Preretirement Education Association (now National Pension Education Association) |
| NPEA➣National Petroleum Employers' Association (South Africa) |
| NPEA➣Northwest Polygraph Examiners Association |
| NPEA➣New Philadelphia Education Association (New Philadelphia, OH) |