DARN
| Acronym | Definition |
|---|---|
| DARN | Dual Auroral Radar Network |
| DARN | Disaster Amateur Radio Network (California) |
| DARN | Duty Appointed Retention NCO (Non-Commissioned Officer; US Army) |
| DARN | Diocese Amateur Radio Network (Florida) |
| DARN | Developing Areas Research Network (Newcastle University; Newcastle upon Tyne, England, UK) |
| DARN | Dayton Asperger Resource Network (Dayton, OH) |