OPAI
| Acronym | Definition |
|---|---|
| OPAI | Ohio Performing Arts Institute (Springfield, OH) |
| OPAI | Option to Purchase Additional Insurance |
| OPAI | Oculoplastics Association of India (eyes) |
| OPAI | Oil Pastel Association International |
| OPAI | Office of Performance Analysis and Integrity (US VA) |
| OPAI | Organization for the Prevention of Alien Infiltration |