WARN
| Acronym | Definition |
|---|---|
| WARN | Warning (Alcatel) |
| WARN | Worker Adjustment and Retraining Notification Act of 1988 |
| WARN | Water & Wastewater Agency Response Network (various locations) |
| WARN | Women of All Red Nations |
| WARN | Wal-Mart Alliance for Reform Now |
| WARN | Wide Area Rapid Notification (emergency information dissemination) |
| WARN | Wide Area Reference Network (GPS) |
| WARN | Webroot Automated Research Network (anti-spyware collection group) |
| WARN | Web Alert & Relay Network (US FEMA) |
| WARN | Warning, Alert and Response Network Act of 2006 |