| 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) |