OPTI
| Acronym | Definition |
|---|---|
| OPTI | Optical |
| OPTI | Osteopathic Postdoctoral Training Institution |
| OPTI | Optimal/Optimum |
| OPTI | Organizational Process Technology Innovation (process area) |
| OPTI | Omega Polymer Technologies, Inc. (Aurora, OH) |
| OPTI | Oral Provocation Test for Idiosyncrasy |