MRC
- Calculator
- EmArcy Records
- M. R. Chandrasekharan
- MRC (company)
- MRC (file format)
- MRC Centre for Global Infectious Disease Analysis
- Malaysian Red Crescent Society
- Manchester Rugby Club
- Maricopa (Amtrak station)
- Maricopa language
- Maximal-ratio combining
- Media Rating Council
- Media Research Center
- Medical Research Council (United Kingdom)
- Medical Research Council (disambiguation)
- Medical Reserve Corps
- Medicare Rights Center
- Mekong River Commission
- Melbourne Racing Club
- Melbourne Recital Centre
- Memory Reference Code
- Mendocino Redwood Company
- Menzies Research Centre
- Military Revolutionary Committee
- Minimum resolvable contrast
- Mississippi River Commission
- Mixed raster content
- Modern Records Centre, University of Warwick
- Molonglo Reference Catalogue of Radio Sources
- Mombasa Republican Council
- Montreal Rowing Club
- Morocco
- Mosman Rowing Club
- Mount Royal University
- Mouvement Révolutionnaire Congolais
- Mouvement républicain et citoyen
- Movement for the Rehabilitation of Citizens–Rurenzangemero
- Mr. C (disambiguation)
- Multi-Racing Championship
- Multiple regression/correlation
- Municipalité régionale de comté
- Virginia Marine Resources Commission