| Acronym | Definition |
|---|
| PTSL➣Prospective Teacher Scholarship Loan (North Carolina) |
| PTSL➣Peach Tree Short Life |
| PTSL➣Perpustakaan Tun Seri Lanang (Malay: Tun Seri Lanang Library; Malaysia) |
| PTSL➣Professional Services Tools Library (software) |
| PTSL➣Protocol Trace Specification Language (computer science) |