PTPL
| Acronym | Definition |
|---|---|
| PTPL | Potomac Technical Processing Librarians (est. 1923) |
| PTPL | Pusat Teknologi Pengurusan Lanjutan (Malay: Advanced Management Technology Center; Malaysia) |
| PTPL | Port Townsend Public Library (Washington) |
| PTPL | Peters Township Public Library (McMurray, PA; est. 1957) |