HMC may stand for:

Education

• Harvey Mudd College, Claremont, California, US
• Headmasters' and Headmistresses' Conference, UK organisation of independent fee-charging schools
• Harvard Model Congress, congressional simulation conference
• Harris Manchester College, Oxford, a constituent college of the University of Oxford

Companies

• Hamad Medical Corporation, Qatar
• Harvard Management Company, manages Harvard University endowment
• Heerema Marine Contractors, The Netherlands
• Holyoke Machine Company, defunct, United States
• Honda Motor Company, of Japan, NYSE symbol
• Hornady Manufacturing Company (cartridge headstamp)
• Hyundai Motor Company, of Republic Of Korea

Transport

• Hamamatsuchō Station, JR East station code
• Hampton Court railway station, the terminus of the Hampton Court Branch Line in Surrey, SW of London

Other

• Chief Hospital corpsman, a United States Navy rate
• Half Mini Card, a physical specification of the PCI Express Mini Card
• Hardware Management Console, a computer technology provided by IBM
• His/Her Majesty's Cutter, UK Customs ship prefix since 2005
• Herzliya Medical Center, Herzliya, Israel
• Holocaust Memorial Center
• Holyoke Medical Center
• Hybrid Memory Cube, a computer memory (RAM) technology
• Royal Commission on Historical Manuscripts, or Historical Manuscripts Commission
• Hamiltonian Monte Carlo

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