| Acronym | Definition |
|---|
| PSTL➣Postal |
| PSTL➣Polo Scientifico Tecnologico Lombardo |
| PSTL➣Pyramid Saimira Theatre Ltd |
| PSTL➣Panasonic Speech Technology Laboratory |
| PSTL➣Puget Sound Truck Lines |
| PSTL➣Parallel Standard Template Library |
| PSTL➣Pasukan Simpanan Tentera Laut (Malaysia) |
| PSTL➣Puget Sound Traveling League (girls basketball) |
| PSTL➣Passing Shot Tennis League |
| PSTL➣Palangsophon Two Company Limited |
| PSTL➣Problem Solving through Literature |
| PSTL➣Product Support Team Leader |
| PSTL➣Projet Serveur Terminaux Linux (French) |
| PSTL➣Praxair Surface Technologies Limited |