OHBA
| 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) |