OHPA
| Acronym | Definition |
|---|---|
| OHPA | Ontario Hay Producers Association |
| OHPA | Old Harding Pediatric Associates (Tennessee) |
| OHPA | Ontario Health Providers Alliance (Canada; est. 1993) |
| OHPA | Office of Health Professions Adjudicator (UK) |
| OHPA | Office of the Health Plan Administrator (Oregon) |