| Acronym | Definition |
|---|
| HCI➣Human-Computer Interaction |
| HCI➣Hydrochloride |
| HCI➣Human Capital Institute |
| HCI➣Human Computer Interface |
| HCI➣Hyper-Converged Infrastructure (virtual computing) |
| HCI➣Hwa Chong Institution (Singapore) |
| HCI➣Huntsman Cancer Institute |
| HCI➣Health Care Informatics (various organizations) |
| HCI➣Health Communications, Inc (publishing) |
| HCI➣Health Care Industry |
| HCI➣Host Controller Interface |
| HCI➣Haut Conseil à l'Integration (French: High Council for Integration; est. 1989) |
| HCI➣Health Care International (various locations) |
| HCI➣Human Capital Investment |
| HCI➣Health Care Improvement |
| HCI➣Human Concern International (Ottawa, Ontario, Canada) |
| HCI➣Human Computer Interaction |
| HCI➣Human Company Integration |
| HCI➣Handgun Control, Inc. (est. 1974; formerly National Council to Control Handguns) |
| HCI➣Hunt Consolidated, Inc. (Dallas, TX) |
| HCI➣Human Capital Index |
| HCI➣Healthy Community Initiative (various locations) |
| HCI➣Honda Canada, Inc. (cars) |
| HCI➣Hot Carrier Injection |
| HCI➣Hamilton Center, Inc. (mental health center; Terre Haute, IN) |
| HCI➣Home Computing Initiative (UK government DTI) |
| HCI➣Health Care Insurer |
| HCI➣Harmonised Competitiveness Indicator |
| HCI➣Hyperspectral Imaging |
| HCI➣Home City Ice (Cincinnati, OH) |
| HCI➣Harrison Career Institute |
| HCI➣Highly Charged Ion |
| HCI➣Hlas Cez Internet (Slovak: Voice over Internet) |
| HCI➣Handgun Control, Incorporated |
| HCI➣Hotel Corporation of India |
| HCI➣Health Care Integrator |
| HCI➣Hardware Configuration Item |
| HCI➣Home Center Institute |
| HCI➣Human Centered Informatics |
| HCI➣Hansa Chemie International (Switzerland) |
| HCI➣Hardness Critical Item |
| HCI➣Human Computer International |
| HCI➣Hydrologic Consultants Inc (Lakewood, CO) |
| HCI➣Horizon Crossing Indicator |
| HCI➣Highly Coercive Interrogation |
| HCI➣High Current Interest |
| HCI➣Health Care on the Internet (journal) |
| HCI➣Hartzog & Crabill Inc. (Tustin, CA traffic and civil engineering) |
| HCI➣Host Communications Interface (layer just above the network protocol stack) |
| HCI➣Hardware Computer Interface |
| HCI➣Harmony Careers International |
| HCI➣Healthcare Consultants International (Skokie, IL) |
| HCI➣Haveman Computer & Internet |
| HCI➣Hanford Capsule Initiative |
| HCI➣Huber Consultants International |
| HCI➣Horizontal Center of Impact |
| HCI➣Horizontal Contracting Integration |
| HCI➣Hospitality Consultants, Inc. (Ann Arbor, Michigan) |
| HCI➣Horizon Clinicals Infrastructure |