| MRC | Bibliographic data (Machine-Readable Cataloging records) 
| Others |
| MRC | Machinery Repairman Chief Petty Officer
| Others |
| MRC | Macintosh Resource File
| Others |
| MRC | Maganti Ravindranath Chowdary
| Others |
| MRC | Magic Rave Crew
| Others |
| MRC | Magnetic Resonance Cholangiography
| Others |
| MRC | Magnetic Resonance Cisternography
| Others |
| MRC | Magnetic Resonance Colonography
| Others |
| MRC | Magnetic Resonance in Chemistry
| Others |
| MRC | Magnetic Ride Control
| Others |
| MRC | Magneto Resistive Cluster
| Others |
| MRC | Mail Recovery Center
| Others |
| MRC | Mailbox Recovery Center
| Others |
| MRC | Maintenance Requirement Card
| Others |
| MRC | Maintenance Requirement Cards
| Others |
| MRC | Major Regional Conflict
| Others |
| MRC | Malaysian Rally Championship
| Others |
| MRC | Malicious Rucus Crew
| Others |
| MRC | Managed Review Committee
| Others |
| MRC | Management Resources College
| Others |
| MRC | Managing Research for Companies
| Others |
| MRC | Mando Research and Development China
| Others |
| MRC | Manufacturers Resource Center
| Others |
| MRC | Manufacturing Resource Corporation
| Others |
| MRC | Map Reference Code
| Others |
| MRC | Marine Research Corporation
| Others |
| MRC | Marine Resources Council
| Others |
| MRC | Marketing Resource Center
| Others |
| MRC | Marmara Research Center
| Others |
| MRC | Mars Real Chocolate
| Others |
| MRC | Maserati Resource Centre
| Others |
| MRC | Mass Rating for Charging
| Others |
| MRC | Massachusetts Rehabilitation Commission
| Others |
| MRC | Material Review Crib
| Others |
| MRC | Materiel Release Confirmation
| Others |
| MRC | Math Resource Center
| Others |
| MRC | Mathematics Research Center
| Others |
| MRC | Mathematics Research Communities
| Others |
| MRC | Mattress Recycling Council
| Others |
| MRC | Max Rowan and Charlie
| Others |
| MRC | Maximum Reservoir Contact
| Others |
| MRC | Mazda Radar Cruise Control
| Others |
| MRC | Mazda Retro Classic
| Others |
| MRC | Mazda Rotary Club
| Others |
| MRC | Mean Reverting Correlation
| Others |
| MRC | Measurement Requirements Committee
| Others |
| MRC | Meat Research Corporation ( Australia)
| Others |
| MRC | Mechanical Repair Coverage
| Others |
| MRC | Media Rating Council
| Others |
| MRC | Media Research Center
| Others |
| MRC | Media Resource Center
| Others |
| MRC | Media Resource Centre
| Others |
| MRC | Media Resources Center
| Others |
| MRC | Media Rights Capital
| Others |
| MRC | Medical Registration Council
| Others |
| MRC | Medical Research Charities
| Others |
| MRC | Medical Research Consultants
| Others |
| MRC | Medical Research Council
| Others |
| MRC | Medical Research Council (UK)
| Others |
| MRC | Medical Reserve Corps
| Others |
| MRC | Medical Reserve Corps of the United States Public Health Service
| Others |
| MRC | Medican Research Council
| Others |
| MRC | Medieval Recreation Club
| Others |
| MRC | Melbourne Racing Club
| Others |
| MRC | Member Representatives Committee
| Others |
| MRC | Membership Renewal Credit
| Others |
| MRC | Memory Re Call
| Others |
| MRC | Mendocino Redwood Company
| Others |
| MRC | Merchant Risk Council
| Others |
| MRC | Metadata Research Center
| Others |
| MRC | Metadata Retrieval Client
| Others |
| MRC | Michigan Radio Cluster
| Others |
| MRC | Michigan Rotary Club
| Others |
| MRC | Microbiology Research Centre
| Others |
| MRC | Micronised Refined Carbons
| Others |
| MRC | Microsoft Research Cambridge
| Others |
| MRC | Microwave Radio Communications
| Others |
| MRC | Mid Roll Change
| Others |
| MRC | Midcoast Recreation Center
| Others |
| MRC | Middle Region Care
| Others |
| MRC | Midwest Recycling Center
| Others |
| MRC | Milford Road Course
| Others |
| MRC | Militarized Reconfigurable Computer
| Others |
| MRC | Milwaukee Repeater Club
| Others |
| MRC | Mini Remote Control
| Others |
| MRC | Minimal Remanent Change
| Others |
| MRC | Minimum of Rows and Columns
| Others |
| MRC | Minimum Resolvable Contrast
| Others |
| MRC | Ministry Resource Center
| Others |
| MRC | Minnesota Recovery Connection
| Others |
| MRC | Minnesota Resource Center
| Others |
| MRC | Minority Resource Center
| Others |
| MRC | Minuteman Racing Club
| Others |
| MRC | Misprediction Recovery Cache
| Others |
| MRC | Mississippi River Commission
| Others |
| MRC | Mitochondrial Respiratory Chain
| Others |
| MRC | Mitral Ring Calcification
| Others |
| MRC | Mixed Refrigerant Cycle
| Others |
| MRC | Mobile Range Communications
| Others |
| MRC | Model Rectifier Corporation
| Others |
| MRC | Modellers Rectumfryer Corporation
| Others |
| MRC | Modern Rate Of Change
| Others |
| MRC | Molecular Research Center
| Others |
| MRC | Momthrian Regulatory Commission
| Others |
| MRC | Monoid Ring Completion
| Others |
| MRC | Monthly Recurring Charge
| Others |
| MRC | Monthly Recurring Charges
| Others |
| MRC | Motor Racing Club
| Others |
| MRC | Motordata Research Consortium
| Others |
| MRC | Motorsport Racing Canada
| Others |
| MRC | Mount Royal College
| Others |
| MRC | Muddy Rain Conditions
| Others |
| MRC | Multi Rate Optics Card
| Others |
| MRC | Multi Resistant Coating
| Others |
| MRC | Multi-Resistant Coating
| Others |
| MRC | Multi-Resolution Curve
| Others |
| MRC | Multicultural Refugee Coalition
| Others |
| MRC | Multicultural Resource Center
| Others |
| MRC | Multilocular Renal Cyst
| Others |
| MRC | Municipal Regional County
| Others |
| MRC | Municipal Review Committee
| Others |
| MRC | Muscel Racing Contest
| Others |
| MRC | Mutant Research Centre
| Others |