APTL
| Acronym | Definition |
|---|---|
| APTL | Asset Protection Team Leader (various companies) |
| APTL | Administrative Payment Team Leader (US Coast Guard) |
| APTL | Association of Part Time Librarians (online communication and support group; est. 1988) |
| APTL | Assembly of Professionals and Technicians in Lebanon |
| APTL | Accredited POSIX Testing Laboratory |
| APTL | Asynchronous Propositional Temporal Logic (computer science) |
| APTL | Automotive Production Technologies Ltd. (UK) |