| MERC | Maharashtra Electricity Regulatory Commission  
| Regulatory Body |
| MERC | Mandatory Employment Related Costs
| Others |
| MERC | Manufacturing Engineering Research Centre
| Others |
| MERC | Marine Environment Research Center
| Others |
| MERC | Maritime Environmental Resource Center
| Others |
| MERC | Marketing Events Relations and Communication
| Others |
| MERC | Maryland Education Recruitment Consortium
| Others |
| MERC | Massachusetts Educational Recruiting Consortium
| Others |
| MERC | Meat Export Research Center
| Others |
| MERC | Mechanical Emotionally Responsive Creature
| Others |
| MERC | Mechanically Emotive Responsive Creature
| Others |
| MERC | Mechatronic Engineering Robotics Club
| Others |
| MERC | Medical Education and Research Center
| Others |
| MERC | Medical Education and Research Committee
| Others |
| MERC | Medical Education And Research Costs
| Others |
| MERC | Medical Education Research Center
| Others |
| MERC | Medical Education Research Certificate
| Others |
| MERC | Mercenary
| Others |
| MERC | Mercer Engineering Research Center
| Others |
| MERC | Mercury Dime
| Others |
| MERC | Mercury Division
| Others |
| MERC | MetroWest Economic Research Center
| Others |
| MERC | Michigan Employment Relations Commission
| Others |
| MERC | Microsoft Education Resource Centre
| Others |
| MERC | Middle East Rally Championship
| Others |
| MERC | Middle East Regional Cooperation
| Others |
| MERC | Mineral Exploration Research Centre
| Others |
| MERC | Minnesota Employee Relocation Council
| Others |
| MERC | Missouri Education and Research Consortium
| Others |
| MERC | Missouri Emergency Response Commission
| Others |
| MERC | Mobile Emission Reduction Credit
| Others |
| MERC | Mobility Enhancing Ration Component
| Others |
| MERC | Mobility Enhancing Resource Component
| Others |
| MERC | Mobility-Enhancing Ration Component
| Others |
| MERC | Most Economical Reliable Comfort
| Others |
| MERC | Mountain Emergency Response Corps
| Others |
| MERC | Multicultural Education Research Center
| Others |
| MERC | Museum Employment Resource Center
| Others |