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Look up HCM in Wiktionary, the free dictionary.
HCM may refer to:
- Eyl Airport, in Puntland, Somalia
- Halifax Conservatory of Music, in Canada
- Harrow Central Mosque, in England
- Hausdorff Center for Mathematics, in Bonn, Germany
- Highway Capacity Manual
- Hierarchical Clustering Method (asteroids), a calculation to group asteroids into families
- Hitachi Construction Machinery
- Ho Chi Minh, Prime Minister (1945–1955) and President (1945–1969) of North Vietnam
- Ho Chi Minh City, in Vietnam
- Human capital management, a subset of practices related to human resource management
- Hypertrophic cardiomyopathy, a disease of the myocardium (the muscle of the heart)
- Hardware cryptographic module, a type of hardware security module (HSM)