PEFR
| Acronym | Definition |
|---|---|
| PEFR | Peak Expiratory Flow Rate |
| PEFR | Period-End Financial Reporting |
| PEFR | Peak Early Filling Rate (cardiology) |
| PEFR | Port E Function Register |
| PEFR | Person Eligible for Relief (Maryland) |
| PEFR | Prolonged Recording Expiratory Flow Rate |
| PEFR | Pick Expiratory Forced Rate (nervous system research) |