| Acronym | Definition |
|---|
| OAPA➣Office of Academic Program Assessment (various locations) |
| OAPA➣Office of Academic Planning and Assessment (University of Massachusetts; Amherst, MA) |
| OAPA➣Oregon Chapter of the American Planning Association (Wilsonville, OR) |
| OAPA➣Ohio Adult Parole Authority (Columbus, OH) |
| OAPA➣Opacity-Associated Protein A (biochemistry) |
| OAPA➣Ohio Association of Physician Assistants |
| OAPA➣Offences Against the Person Act (1861 UK Statute) |
| OAPA➣1-Oleoyl-2-Acetylglyceryl-3-Phosphoric Acid (chemistry) |