| Abbreviation | Definition |
|---|---|
| PL/1 | Programming Language 1 |
| PL/I | Programming Language 1 |
| PL1 | Programming Language 1 |
| PLAN | Prototypes Location And Associative Networks |
| PLC | Personalized Localized And Customized |
| PLI | Programming Language Interface |
| PLOP | Pattern Languages Of Programs |
| PLPA | Pageable Link Pack Area |
| PLT | Program List Table |
| PLT | Programming Languages Team |
| PLU | Primary Logical Unit |
| PLUG | Pakistan's Linux Users Group |
| PLUG | Perth Linux Users Group |
| PLUG | Polish Linux User's Group |
| PLUM | Portable Library Unit And Monitor |
| PLUM | Probabilistic Language Understanding Model |
| PLY | Python Lex-Yacc |
| PM | Partial Match |
| PM | Pattern Match |
| PM | Personal Mainframe |