| Acronym | Definition |
|---|
| PPPL➣Princeton Plasma Physics Laboratory (funded by US; managed by Princeton) |
| PPPL➣Pinellas Park Public Library (Florida) |
| PPPL➣Pretty Prairie Public Library (Kansas) |
| PPPL➣Personal Prismatic Planetary Lineup (astrology) |
| PPPL➣Plant Protection Product List |
| PPPL➣Paw Paw Public Library (Paw Paw, WV) |
| PPPL➣Partial Pharyngectomies Preserving the Larynx (otolaryngology) |