| Acronym | Definition |
|---|
| ALERT | Automated Local Evaluation in Real Time (flood warning system) |
| ALERT | Air Land Emergency Resource Team (International ALERT Academy) |
| ALERT | Attack and Launch Early Reporting to Theater |
| ALERT | Allergy to Latex Education and Resource Team |
| ALERT | Advanced Local Emergency Response Team (anti-terrorist unit; North Carolina) |
| ALERT | Air Loss Estimates in Real Time (AIR Worldwide Corporation) |
| ALERT | America's Law Enforcement Retiree Team |
| ALERT | Advanced Law Enforcement and Response Technology |
| ALERT | Acute Launch Emergency Reliability Tip (NASA) |
| ALERT | All Africa Leprosy, Tuberculosis and Rehabilitation Training Centre (Addis Ababa, Ethiopia) |
| ALERT | Advanced Linked Extended Reconnaissance and Targeting |
| ALERT | Automated Law Enforcement Response Team |
| ALERT | Air-Land Enhanced Reconnaissance and Targeting |
| ALERT | Acute Launch Emergency Restraint Tip |
| ALERT | Advanced Localized Emergency Response Teleconferencing (Forum Communications International) |
| ALERT | Aircraft Low Energy Retrieval Technique (USAF) |
| ALERT | Alliance of Local Emergency Response Teams (Petaluma, CA) |
| ALERT | Arctic Long-term Environmental Research Transects Program (US EPA) |
| ALERT | Advanced Laser Reflow Soldering for Surface Mount Technology (ESPRIT Project 6140) |
| ALERT | Advanced Logistics Evaluation and Reporting |
| ALERT | Active Learning Experience in Resource Technology |
| ALERT | Air Logistics Early Requirements Test |
| ALERT | Acute and Life Threatening Events Recognition and Treatment (UK) |