| Acronym | Definition |
|---|
| HCB➣Hexachlorobenzene |
| HCB➣Henri Cartier-Bresson (French photographer; 1908-2004) |
| HCB➣Hospital Clínica Benidorm (Spanish healthcare) |
| HCB➣Hospital Cash Benefit (insurance) |
| HCB➣Highland Capital Brokerage (various locations) |
| HCB➣Hidroeléctrica de Cahora Bassa (Portuguese: Cahora Bassa Hydroelectric; Mozambique) |
| HCB➣Hazardous Cargo Bulletin (est. 1980; magazine) |
| HCB➣Harrison College of Business (Southeast Missouri State University) |
| HCB➣Half Circle Back (motion; gaming) |
| HCB➣Human Capacity Building |
| HCB➣Hood Canal Bridge (Washington) |
| HCB➣Holy Cow Batman |
| HCB➣Hybrid-Composite Beam (engineering) |
| HCB➣Hampshire Cricket Board (UK) |
| HCB➣Herpetological Conservation and Biology (journal) |
| HCB➣Health Certification Board (Paw Paw, MI) |
| HCB➣Human Capital Board (US IRS) |
| HCB➣Hollow Concrete Block |
| HCB➣House Connection Branch (plumbing) |
| HCB➣Houston Concert Band (Houston, TX) |
| HCB➣Hard Carbon Brush |
| HCB➣Hackettstown Community Band (Hackettstown, NJ) |
| HCB➣Health Care Beneficiary |
| HCB➣High Class Bituminous (roadway structural rating) |
| HCB➣Hobart City Band (Hobart, Tasmania, Australia) |
| HCB➣HTML (HyperText Markup Language) Comment Box (widget) |
| HCB➣Houston College of the Bible (Texas) |
| HCB➣Hamilton Concert Band (Hamilton, Ontario, Canada) |
| HCB➣Hertfordshire Concert Band (University of Hertfordshire) |
| HCB➣Hawaii County Band (Hilo, HI) |
| HCB➣Hanover Concert Band (Ashland, VA) |
| HCB➣Harmonie Concert Band (UK) |
| HCB➣Heights Concert Band (St. Louis, MO) |
| HCB➣Haywood Community Band (Hazelwood, NC) |
| HCB➣Henrico Concert Band (Richmond, VA) |
| HCB➣Huntington Community Band (Huntington, NY) |
| HCB➣Huntsville Concert Band (Huntsville, AL) |
| HCB➣Height of Cloud Base (meteorology) |