Other
- Malaysian Red Crescent Society, a humanitarian organisation
- MRC, Amtrak station code for Maricopa, Arizona, United States
- Media Research Center, a US media research organization
- Media Rights Capital, an independent film, television and digital studio
- Medicare Rights Center, an independent source of health care information and assistance in the US
- Mendocino Redwood Company, a forest products company in California
- Migrant Resource Centre, an Australian organisation
- Modern Records Centre, University of Warwick, a specialist archive service
- Mount Royal College, Calgary, Alberta, Canada, now Mount Royal University
- Multi-Racing Championship, Nintendo 64 video game
- mrc, the ISO 639 code for the Maricopa language
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