| Acronym | Definition |
|---|
| OCAI➣Organizational Culture Assessment Instrument |
| OCAI➣Orthodontic Centers of America, Inc. |
| OCAI➣Office for Collaboration with Academia and Industry (North Atlantic Treaty Organization) |
| OCAI➣Office Cantonal d'Assurance-Invalidité (French: Cantonal Office for Disability Insurance; Switzerland) |
| OCAI➣Oral Carbonic Anhydrase Inhibitor (ophthalmology) |