HCM

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)