HBAS
| Acronym | Definition |
|---|---|
| HBAS | Harvard Black Alumni Society (Chicago, IL) |
| HBAS | Home Builders Association of Saginaw (Michigan) |
| HBAS | Hawke's Bay Aquarium Society (New Zealand) |
| HBAS | Hebden Bridge Astronomy Society (UK) |
| HBAS | Harman Becker Automotive Systems, Inc. (Delaware) |