| Acronym | Definition |
|---|
| HCM | Human Capital Management |
| HCM | Ho Chi Minh City (Vietnam) |
| HCM | Hypertrophic Cardiomyopathy (also seen as HCOM; disease) |
| HCM | Highway Capacity Manual |
| HCM | Health Care Management |
| HCM | Hitachi Construction Machinery (Japan) |
| HCM | Hord Coplan Macht (design firm; Baltimore, MD) |
| HCM | Hardware Cryptographic Module |
| HCM | Host Controlled Modem |
| HCM | Hard Copy Module |
| HCM | High Performance Voice Compression Modules |
| HCM | Hair Club for Men (various locations) |
| HCM | Hitachi Cable Manchester (Manchester, NH) |
| HCM | Hollow Cathode Magnetron (semiconductors) |
| HCM | High Council Members (gaming) |
| HCM | HALIFAX Class Modernization |
| HCM | Hardcore Metal (music) |
| HCM | Hundred Cubic Meters (volume) |
| HCM | Hyaluron Contract Manufacturing (Burlington, MA) |
| HCM | Health Care Maintenance |
| HCM | Horizontal Connection Module (energy production) |
| HCM | Horiko Capital Management (Japan) |
| HCM | Hispanic Consumer Market (sector) |
| HCM | High Capacity Multiplexing |
| HCM | Hermite-Cloud Method |
| HCM | Habeas Compliant Message |
| HCM | Honda Canada Manufacturing |
| HCM | House Concurrent Memorial (US Congress) |
| HCM | Hydraulic Control Module |
| HCM | Handset Configuration Manager |
| HCM | HARDMAN Comparability Analysis Methodology |
| HCM | High Capacity Mount |
| HCM | History of Coal Mining |
| HCM | Harbor Consulting and Management (Norristown, PA) |
| HCM | High-Performance (Voice) Compression Module (Cisco) |
| HCM | HVAC Control Module |
| HCM | Highest Common Multiple (mathematics) |
| HCM | Haitian Christian Ministries (Pillatre, Haiti) |