| Acronym | Definition |
|---|
| CERT | Computer Emergency Response Team |
| CERT | Computer Emergency Readiness Team (US government) |
| CERT | Certificate |
| CERT | Comprehensive Error Rate Testing (Centers for Medicare and Medicaid Services) |
| CERT | Community Emergency Response Team |
| CERT | Certification |
| CERT | Certify |
| CERT | Carbon Emissions Reduction Target (UK) |
| CERT | Community Emergency Response Training (various locations) |
| CERT | Certificado de Reembolso Tributario (Spanish: Tax Refund Certificate; Colombia) |
| CERT | Clean Energy Resource Team (Minnesota) |
| CERT | Critical Emergency Response Team |
| CERT | Citizens Emergency Response Team |
| CERT | Council of Energy Resource Tribes (group of Native American tribes with energy resources, since 1976; Denver, CO and Washington, DC, USA) |
| CERT | Committee on Energy Research and Technology (International Energy Agency) |
| CERT | Correctional Emergency Response Team (Indiana) |
| CERT | Campus Emergency Response Team |
| CERT | Corrections Emergency Response Team |
| CERT | Centre d'Etudes et de Recherches de Toulouse (French) |
| CERT | Centre for Economic Reform and Transformation (Scottish) |
| CERT | Crisis Emergency Response Team |
| CERT | Corporate Equity Reduction Transaction (US IRS) |
| CERT | Combined Environmental Reliability Testing |
| CERT | Center of Excellence for Applied Research & Training |
| CERT | California Education Round Table |
| CERT | Colorado Evolution Response Team |
| CERT | Communication Emergency Response Team |
| CERT | Composite Electrical Readiness Test (NASA) |
| CERT | Center for Emergency Response Technology |
| CERT | Certified Electronic Reporter and Transcriber (American Association of Electronic Reporters and Transcribers) |
| CERT | Concordia Emergency Response Team (Concordia University; Canada) |
| CERT | Committee of Emergency Response Team |
| CERT | Cognitive Emotional Restructuring Therapy |
| CERT | Children's Emergency Relief Team |
| CERT | Center of Research and Training |
| CERT | Crew Escape and Rescue Technique |
| CERT | Certificate/Certification of Eligibility |
| CERT | Community Enforcement Response Team (Las Cruces, NM) |