Cert
Cert or CERT may refer to:
- Carbon Emission Reduction Target, a United Kingdom government initiative
 - CERT Group of Companies, a private education provider in the Middle East
 - Constant extension rate tensile testing, a standard method of testing of materials, also known as slow strain rate testing
 - Certificate (disambiguation), several meanings
 - Certiorari, a Latin legal term for a court order requiring judicial review of a case 
- Certiorari before judgment, a specific form of a writ of certiorari
 - Cert pool, shorthand term for the pool of applicants for a writ of certiorari from the United States Supreme Court
 
 - Community Emergency Response Team, teams of volunteer emergency responders across the United States
 - Computer Emergency Response Team, an expert group that handles computer security incidents 
- CERT Coordination Center (CERT/CC), the worldwide center for coordinating information about Internet security at Carnegie Mellon University, the first and most well-known CERT 
- CERT C Coding Standard, developed by the CERT/CC at Carnegie Mellon University
 
 - United States Computer Emergency Readiness Team (US-CERT)
 
 - CERT Coordination Center (CERT/CC), the worldwide center for coordinating information about Internet security at Carnegie Mellon University, the first and most well-known CERT 
 - Correctional Emergency Response Team, a team of correction officers
 - Council of Energy Resource Tribes, a consortium of tribes to establish tribal control over natural resources
 - Council of Education, Recruitment and Training—Irish hospitality training authority 1963–2003