| Acronym | Definition |
|---|
| HBA | Host Bus Adapter |
| HBA | Hood by Air (clothing company) |
| HBA | Home Builders Association |
| HBA | Hirsch Bedner Associates (est. 1964) |
| HBA | High Beam Assist (halogen headlights) |
| HBA | Hemoglobin A |
| HBA | Healthcare Businesswomen's Association |
| HBA | House Building Advance (financing) |
| HBA | Hydraulic Brake Assist (smart car technology) |
| HBA | Houston Bar Association (Texas) |
| HBA | Hydraulic Brake Assistance |
| HBA | Health & Beauty America (company) |
| HBA | Host Based Authentication |
| HBA | Hydroxy Benzoic Acid |
| HBA | Hawaii Baptist Academy (Honolulu, HI, USA) |
| HBA | Hospital Broadcasting Association (United Kingdom) |
| HBA | Home Base |
| HBA | Hometown Business Alliance (networking) |
| HBA | Health Benefits Advisor |
| HBA | Hydrogen Bond Acceptor |
| HBA | Highway Beautification Act of 1965 |
| HBA | Honours Bachelor of Arts (degree) |
| HBA | Honors Business Administration |
| HBA | Horse Blood Agar (microbiological media) |
| HBA | Health & Beauty Aid |
| HBA | Hospitality Business Alliance |
| HBA | Hierarchical Bloom-Filter Array |
| HBA | Home Baking Association |
| HBA | Hobart, Tasmania, Australia - Hobart (Airport Code) |
| HBA | Hotel Booking Agent |
| HBA | Health Benefits America |
| HBA | Human Behavior Associates |
| HBA | Health, Beauty & Accessories |
| HBA | Hampshire Beekeepers' Association (UK) |
| HBA | Hawai'i Beekeepers' Association |
| HBA | Haryana Badminton Association (India) |
| HBA | Houston Beekeepers Association |
| HBA | Holliston Business Association |
| HBA | Heavy Brigade Afloat |
| HBA | Hispanic Basketball Association |
| HBA | Hungarian Book Agency |
| HBA | Habbo Basketball Association (Habbo Hotel) |