| Acronym | Definition |
|---|
| OHBA➣Ontario Home Builders' Association (Canada) |
| OHBA➣Oregon Home Builders Association |
| OHBA➣Ohio Historic Bridge Association (est. 1960) |
| OHBA➣Oregon Hispanic Bar Association |
| OHBA➣Oxfords Hospitals' Broadcasting Association |
| OHBA➣Organic Horticulture Business Alliance (Houston, TX) |