| CER | Call Error Rate 
| Others |
| CER | Cambridge Energy Resources
| Others |
| CER | Campeonato de Espana de Resistencia
| Others |
| CER | Campus Emissions Reduction
| Others |
| CER | Canada Energy Regulator
| Others |
| CER | Canonical Encoding Rules
| Others |
| CER | Capability Evaluation Review
| Others |
| CER | Capital Expenditure Request
| Others |
| CER | Capsule, Extended Release
| Others |
| CER | Car Experience Rating
| Others |
| CER | Carbon Emission Reduction
| Others |
| CER | Carbon Emissions Reduction
| Others |
| CER | Cell Edge Router
| Others |
| CER | Cell Error Ratio
| Others |
| CER | Center for Economic Research
| Others |
| CER | Center for Education Reform
| Others |
| CER | Center for Educational Resources
| Others |
| CER | Center for Educational Restoration
| Others |
| CER | Center for Energy Research
| Others |
| CER | Center for Environmental Research
| Others |
| CER | Center for Evaluation and Research
| Others |
| CER | Center of Economic Research
| Others |
| CER | Central East Region
| Others |
| CER | Central East Regional
| Others |
| CER | Central Europe Rally
| Others |
| CER | Centre for Environmental Rights
| Others |
| CER | Centre for European Reform
| Others |
| CER | Ceramics
| Others |
| CER | Certificate Export
| Others |
| CER | Certificate Reply
| Others |
| CER | Certified Emission Reduction
| Others |
| CER | Certified Emission Reductions
| Others |
| CER | Certified Emissions Reduction
| Others |
| CER | Certified Emissions Reductions
| Others |
| CER | Certified Endoscope Reprocessor
| Others |
| CER | Change Energy Routine
| Others |
| CER | Character Error Rate
| Others |
| CER | Cherbourg, France
| Others |
| CER | Chief Electrician (radio)
| Others |
| CER | Chugiak Eagle River
| Others |
| CER | Cisco Emergency Responder
| Others |
| CER | Cisco Enterprise Reporting
| Others |
| CER | Claim Evidence and Reasoning
| Others |
| CER | Claim Evidence Reasoning
| Others |
| CER | Classic Endurance Racing
| Others |
| CER | Classical Estimation Ratio
| Others |
| CER | Clean Energy Regulator
| Others |
| CER | Closer Economic Relations
| Others |
| CER | Codeword Error Ratio
| Others |
| CER | Cold Enrichment Rod
| Others |
| CER | Collegium Educationis Revaliense
| Others |
| CER | Commercial Efficiency Ratio
| Others |
| CER | Commission for Energy Regulation
| Others |
| CER | Commission for Energy Regulation (Ireland)
| Others |
| CER | Commission of Energy Regulation
| Others |
| CER | Common Eliminated Region
| Others |
| CER | Community Education and Recreation
| Others |
| CER | Community of European Railway
| Others |
| CER | Comparative Education Review
| Others |
| CER | Comparative Effectiveness Research
| Others |
| CER | Comparative Effectiveness Review
| Others |
| CER | Compassionate Emergency Repatriation
| Others |
| CER | Compilation ERror message
| Others |
| CER | Compiler Error
| Others |
| CER | Comprehensive Evaluation Reports
| Others |
| CER | Conditioned Emotional Response
| Others |
| CER | Conference of European Rabbis
| Others |
| CER | Confidence Error Rate
| Others |
| CER | Constrained Execution Region
| Others |
| CER | Constrained Execution Regions
| Others |
| CER | Container Exchange Route
| Others |
| CER | Continuing Education Requirement
| Others |
| CER | Continuing Education Requirements
| Others |
| CER | Controlled Energy Release
| Others |
| CER | Controlled Environment Room
| Others |
| CER | Coordinated Ecosystem Research
| Others |
| CER | Core Edge Router
| Others |
| CER | Corporate Environmental Report
| Others |
| CER | Corporate Error Reporting
| Others |
| CER | Corresponding Entity References
| Others |
| CER | Cost Estimating Relationship
| Others |
| CER | Coupon Equivalent Rate
| Others |
| CER | Crash Error Report
| Others |
| CER | Critical, Essential, Recommended
| Others |
| CER | Cultural Emergency Response
| Others |
| CER | Cursor Engine Resources
| Others |
| CER | Customer Edge Router
| Others |
| CER | Customer Error Reporting
| Others |
| CER | Security certificate
| Others |