| Acronym | Definition |
|---|
| PJN➣Poder Judicial de La Nación (Argentina, national judicial power) |
| PJN➣Peace and Justice Network (Triad, NC) |
| PJN➣Partido Justicia Nacional (Spanish: National Justice Party) |
| PJN➣Polish Jazz Network (est. 2000) |
| PJN➣Patrick J. Noonan Consulting, Inc. (Colorado and North Carolina) |
| PJN➣Pancreatic Juice Neopterin |