| HCM | Eil, Somalia 
| Others |
| HCM | Hard Copy Module
| Others |
| HCM | Hardware Configuration Management
| Others |
| HCM | Hardware Cryptographic Module
| Others |
| HCM | Hausdorff Center for Mathematics
| Others |
| HCM | Headlamp Control Module
| Others |
| HCM | Health Care Maintenance
| Others |
| HCM | Heating Control Module
| Others |
| HCM | Heavy Construction Machinery
| Others |
| HCM | Hiace Club Myanmar
| Others |
| HCM | High Capacity Magazine
| Others |
| HCM | High Performance Voice Compression Modules
| Others |
| HCM | Highest Common Multiple
| Others |
| HCM | Highway Capacity Manual
| Others |
| HCM | Hijet Community Magetan
| Others |
| HCM | Hill Country Memorial
| Others |
| HCM | Hilux Club Malaysia
| Others |
| HCM | HL7 Comm Multi
| Others |
| HCM | Ho Chi Minh
| Others |
| HCM | Honda of Canada Manufacturing
| Others |
| HCM | Honhai Capital Management
| Others |
| HCM | Hord Coplan Macht
| Others |
| HCM | Horizontal Casting Material
| Others |
| HCM | Horizontal Conveyor Module
| Others |
| HCM | Host Connectivity Manager
| Others |
| HCM | Host Controlled Modem
| Others |
| HCM | Howard Carpenter Marmon
| Others |
| HCM | Hull Condition Model
| Others |
| HCM | Human Capital Management
| Others |
| HCM | Hutchison China MediTech
| Others |
| HCM | Hybrid Choice Models
| Others |
| HCM | Hybrid Cloud Management
| Others |
| HCM | Hybrid Control Module
| Others |
| HCM | Hydraulic Control Module
| Others |
| HCM | Hypertrophic Cardio Myopathy
| Others |
| HCM | Hypertrophic Cardiomyopathy
| Others |
| HCM | Hypertrophic Cardiomyopathy Medical
| Others |
| HCM | Hyundai Club Mexico
| Others |
| HCM | Hyundai Complimentary Maintenance Program
| Others |