| ACER | A Computer Entrepreneurial Revolution 
| Others |
| ACER | Acadia Centre for Estuarine Research
| Others |
| ACER | Acquisition Collaboration Experimentation Reflection
| Others |
| ACER | Advanced Cyberinfrastructure for Education and Research
| Others |
| ACER | Advisory Committee on Environmental Resources
| Others |
| ACER | African Career Education and Resource
| Others |
| ACER | Agency for the Cooperation of Energy Regulators
| Others |
| ACER | Alabama Center for Ecological Resilience
| Others |
| ACER | Alcoholism: Clinical & Experimental Research
| Others |
| ACER | Always Cannot Ensure Reliabilities
| Others |
| ACER | Angiotensin Converting Enzyme Related
| Others |
| ACER | Annual Contractor Evaluation Report
| Others |
| ACER | Armored Combat Engineer Robot
| Others |
| ACER | Association for Canadian Educational Resources
| Others |
| ACER | Australian Council
| Others |
| ACER | Australian Council of Educational Research
| Others |
| Acer | Latin word for sharp
| Others |
| Acer | Latin word for “sharp, acute, able and facile”
| Others |
| ACER | Romanian EMC Association
| Others |