- 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)
