| HCL | Hairy Cell Leukemia  
| Disease |
| HCL | Hales Corners Lutheran
| Others |
| HCL | Hales Corners Lutheran Church
| Others |
| HCL | Handover Contract Late
| Others |
| HCL | Happy Clown Laughter
| Others |
| HCL | Hard Contact Lens
| Others |
| HCL | Hardware Certification List
| Others |
| HCL | Hardware Compatability Limited
| Others |
| HCL | Hardware Compatibility List
| Hardware, Operating System |
| HCL | Hardware Compatibility Lists
| Others |
| HCL | Harvard College Library
| Others |
| HCL | Harvard Cyclotron Laboratory
| Others |
| HCL | Harware Compatibility List
| Others |
| HCL | HashiCorp configuration language
| Others |
| HCL | Hau Cabs Limited
| Others |
| HCL | Hazard Communication Labels
| Others |
| HCL | Helm Corporation Limited
| Others |
| HCL | Help Charlie Lake
| Others |
| HCL | Helping Code Lapse
| Others |
| HCL | Hennepin County Library
| Library |
| HCL | Hertfordshire Catering Limited
| Others |
| HCL | Hierarchy Chart Language
| Others |
| HCL | High Capacity Loader
| Others |
| HCL | High Contrast Lens
| Others |
| HCL | High Cost of Living
| Others |
| HCL | High Cross Linkage
| Others |
| HCL | Hindustan computer limited
| Others |
| HCL | Hindustan Computers Limited
| Company |
| HCL | Hindustan Copper Limited
| Company |
| HCL | Hitachi Cable Limited
| Company |
| HCL | Hockey Club Lugano
| Others |
| HCL | Home Center Lite
| Others |
| HCL | Hop Count Limit
| Others |
| HCL | Hope Capital Ltd
| Others |
| HCL | Horizontal CenterLine
| Others |
| HCL | Hue Chroma and Luminance
| Others |
| HCL | Hue, Chroma, and Luminance
| Others |
| HCL | Human Centric Lighting
| Others |
| HCL | Hummingbird Communications, LTD.
| Others |
| HCL | Humphrey Company Limited
| Others |
| HCL | Hydraulic Car Lift
| Others |
| HCL | Hydro Carbon Law
| Others |
| HCL | Hydrochloride
| Others |
| HCL | Hydrogen Chloride
| Others |
| HCL | Hydrogenated Copyright Lawyer
| Others |
| HCL | Hydrogeological Consultants Ltd
| Others |
| HCL | Hypixel Competitive League
| Others |