| HMCC | Hamilton Mill Christian Church 
| Others |
| HMCC | Hartshead Moor Cricket Club (West Yorkshire, England)
| Others |
| HMCC | Harvest Mission Community Church
| Others |
| HMCC | Hazardous Material Control Center
| Others |
| HMCC | Health and Medical Coordinating Coalitions
| Others |
| HMCC | Healthcare Meeting Compliance Certificate
| Others |
| HMCC | Hellenic Museum And Cultural Center (Chicago, Illinois)
| Others |
| HMCC | Hickory Metro Convention Center (Hickory, NC)
| Others |
| HMCC | Hiland Mountain Correctional Center
| Others |
| HMCC | Hispanic Ministries Cultural Center (Saginaw, Michigan)
| Others |
| HMCC | Homicide and Major Crime Command
| Others |
| HMCC | Houston Methodist Coordinated Care
| Others |
| HMCC | Houston Mission Control Center
| Others |
| HMCC | Houston Mopar Connection Club
| Others |
| HMCC | Howard McLeod Correctional Center
| Others |
| HMCC | Hudson Motor Car Company
| Others |
| HMCC | Human Mammary Carcinoma Cells
| Others |
| HMCC | Hupp Motor Car Company
| Others |
| HMCC | Hybrid Memory Cube Consortium
| Others |
| HMCC | Hybrid Mobile Cloud Computing
| Others |
| HMCC | Hypergolic Maintenance and Checkout Cell
| Others |