PTEF
| Acronym | Definition |
|---|---|
| PTEF | Polytetrafluoroethylene (chemistry) |
| PTEF | Perry Township Education Foundation (Indiana) |
| PTEF | Peak Tidal Expiratory Flow |
| PTEF | Pine Tree Education Foundation (Longview, TX) |
| PTEF | Power Tower Expanded Function (Server Technology, Inc.) |