| HCIA | Hague Convention on Intercountry Adoption 
| Others |
| HCIA | Harvey Canal Industrial Association
| Others |
| HCIA | Hawaii Crop Improvement Association
| Others |
| HCIA | HCIA Inc is a
| Others |
| HCIA | Headwaters Communities in Action
| Others |
| HCIA | Health Care Innovation Awards
| Others |
| HCIA | Health Care Integration Agencies
| Others |
| HCIA | Health Care Interpreter Assessment
| Others |
| HCIA | Health Care Investment Analysts
| Others |
| HCIA | Hearing Care Industry Association
| Others |
| HCIA | Hellenic Clothing Industry Association
| Others |
| HCIA | High Content Image Analysis
| Others |
| HCIA | Hill Country Intergroup Association
| Others |
| HCIA | Horizon Communities Improvement Association
| Others |
| HCIA | Huawei Certified ICT Associate
| Others |
| HCIA | Huawei Certified Internetwork Associate
| Others |
| HCIA | Hubbard Christians In Action
| Others |
| HCIA | Hudson County Improvement Authority
| Others |
| HCIA | Hyper Converged Infrastructure Appliance
| Others |