OPPC
| Acronym | Definition |
|---|---|
| OPPC | Ohio Pork Producers Council |
| OPPC | Overlake Park Presbyterian Church (Bellevue, WA) |
| OPPC | Oak Park Photography Club (Illinois) |
| OPPC | Oregon Public Power Coalition (Portland, OR) |
| OPPC | Orange Park Presbyterian Church |
| OPPC | Orland Park Prayer Center |