| Acronym | Definition |
|---|
| Merc➣Mercury |
| Merc➣Mercedes Benz |
| Merc➣Mercenary (gaming, Flyff) |
| Merc➣Middle East Rally Championship (International Automobile Federation) |
| Merc➣Maharashtra Electricity Regulatory Commission (India) |
| Merc➣Mercury Dime (issued 1916 to 1945) |
| Merc➣Michigan Employment Relations Commission |
| Merc➣Mercian (linguistics) |
| Merc➣Metropolitan Exposition-Recreation Commission |
| Merc➣Middle East Regulatory Conference |
| Merc➣Mercer Engineering Research Center |
| Merc➣Medical Effectiveness Research Center (University of California, San Francisco) |
| Merc➣Mandatory Employment Related Costs (Canada) |
| Merc➣Medical Equipment Repair Center |
| Merc➣National Centre for Research in Music Education and Sound Arts (University of Canterbury; New Zealand) |
| Merc➣Morgantown Energy Research Center (US Department of Energy) |
| Merc➣Mobile Emissions Reduction Credit |
| Merc➣Marine Environment Research Center |
| Merc➣Malaysian Economic Research Corporation |
| Merc➣Mobility Enhancing Ration Components |
| Merc➣Marine Extension and Research Center |
| Merc➣Minority Economic Resources Corporation |
| Merc➣Medical Education Reserach Committee (various organizations) |
| Merc➣Merged Emergency Response Center (US Air Force) |