| Acronym | Meaning |
| PEN | Peruvian Sol (ISO 4217 Currency Code) -PolyEthylene Naphthalate |
| PL | Picolitre |
| G10 | Group Of 10 (G7 + Belgium |
| RIAA | Recording Industry Association Of America |
| COLT | Combat Observation And Lasing Team (military) |
| PLCC | Plastic Leaded Chip Carrier (electronics) |
| AMO | Atlantic Multidecadal Oscillation |
| HRT | Hormone Replacement Therapy |
| JPN | Japanese Language (ISO 639-2 Code) |
| LATA | Local Access Transport Area |