| CEMS |
Continuous Emission Monitoring System |
| CEMSCS |
Central Environmental Satellite Computer System |
| CEMSCS |
Central Environmental Monitoring Satellite Computer System |
| CEMY |
Centro Evangelico Misionero de Yarinacocha |
| CEN |
Comite europeen de normalization electronique |
| CEN |
Centre Europ |
| CENG |
Chemical Engineering |
| Ceng |
Chartered Engineer |
| CENR |
Committee for Environment and Natural Resources |
| CENR |
Committee on Environment and Natural Resources |
| CENREN |
Centro de Recursos Naturales |
| CENRO |
Community Environment and Natural Resources Officer |
| CENTA |
Centro Nacional de Tecnologia Agropecuaria |
| CENTAUR |
Civil Engineering Technologies for Automatic Roadmaking |
| CENTO |
Central Treaty Organisation |
| CENTX |
Central Telephone Exchange |
| CENVAT |
Central Value Added Tax |
| CEO |
Circle Education Officer |
| CEO |
Chief Executive Officer |
| CEO |
Chief Engineering Officer |
| CEO |
Chief Evangelist Officer |
| CEO |
Chief Ethics Officer |
| CEO |
Chief Elf of Operations |
| CEO |
Catholic Education Office |
| CEO |
Christian Entrepreneur Organization |
| CEO |
Chief Evangelistic Officer |
| CEO |
Christian Entrepreneurial Overcomers |
| CEO |
European Centre for Earth Observation |
| CEO |
Costs Evened Out |
| CEOA |
Comprehensive Effects of Alcohol |
| CEONet |
Canadian Earth Observation Network |
| CEOP |
Certified Educational Office Professional |
| CEOP |
Community Environmental Outreach Program |
| CEOP |
Code Enforcement Outreach Program |
| CEOP |
Coordinated Enhanced Observing Period |
| CEOS |
Committee on Earth Observation Satellites |
| CEOT |
Calcifying Epithelial Odontogenic Tumor |
| CEP |
Count Enable Parallel |
| CEP |
Certified Education Planner |
| CEP |
Community Environmental Project |
| CEP |
Courier Express And Parcel |
| CEP |
Capacity Enhancement Program |
| CEP |
Celestial Ephemeris Pole |
| CEP |
Circular Error Probable |
| CEPA |
Connecticut Environmental Policy Act |
| CEPA |
Canadian Environmental Protection Act |
| CEPAC |
COSTEP-ERNE Particle Analysis Collaboration |
| CEPEX |
Central Equatorial Pacific Experiment |
| CEPH |
Centre D'Etude Du Polymorphisme Humain |
| CEPMA |
Central Europe Pipeline Management Agency |