- CEPA (Center for Economic Policy Analysis)
- CEPD (Center for Executive and Professional Development)
- CEPEP (Colorado Environmental Pesticide Education Program)
- CEPG (Canadian Educational Property Group)
- CEPH (Council on Education in Public Health)
- CEPII (Centre d'Etudes Prospectives et d'Informations Internationales Economics think tank)
- CEPOD (Communications-Electronics POost-Deployment report)
- CEPP (Controlled effect police projectile)
- CEPR (Civilian Employment-Population Ratio)
- CEPS (Customs, Excise and Preventive Service)
- CEPSARC (Concepts Evaluation Program Schedule and Review Committee)
- CEPT (Conférence européenne des administrations des postes et des télécommunications (French, "European Conference of Postal and Telecommunications Administrations"))
- CEQ (Cannes - Mandelieu Airport)
- CER (Cherbourg - Maupertus Airport)
- CERA (Cambridge Energy Research Associates)
- CERCLA (U.S. Comprehensive Environmental Response, Compensation, and Liability Act (Superfund))
- CERCLIS (Comprehensive Environmental Response, Compensation, and Liability Information System (US))
- CERDEC (U.S. Communications-Electronics Research, Development and Engineering Center)
- CER-DIP (CERamic Dual In-line Package)
- CERE (cement remedial log)
- CERES (Coalition for Environmentally Responsible Economies)
- CERF (Central Emergency Revolving Fund)
- CERFP (CBRNE (Chemical, Biological, Radiological, Nuclear, and Explosive) Enhanced Response Force Package)
- CERG (Clean Energy Research Group)
- CERGA (Centre de recherches en géodynamique et astrométrie (French, "Astrometry and Geodynamics Research Centre"))
- CERI (Children's Emergency Relief International)
- CERL (Civil Engineering Research Laboratory)
