| 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 |