| Rank | Abbreviation | Meaning |
|---|
| ***** | OMPC | outer membrane protein C
| |
| *** | OMPC | outer membrane protein complex
| |
| ** | OMPC | Office of Municipal Pollution Control (EPA)
| |
| ** | OMPC | Otitis media purulenta chronica
| |
| * | OMPC | Oak Mountain Presbyterian Church (Birmingham, AL)
| |
| * | OMPC | Office of Monitoring and Program Certification
| |
| * | OMPC | otitis media, purulent, chronic
| |
| * | OMPC | occidental mindoro polytechnic college
| |
| * | OMPC | Overseas Military Personnel Charter
| |
| * | OMPC | Osteopathic Medicine and Primary Care (journal)
| |
| * | OMPC | Organisation Mondiale Pour le Commerce
| |
| * | OMPC | Office of Maritime Promotion Commission
| |
| * | OMPC | Owensboro Metropolitan Planning Commission
| |
| * | OMPC | Oeuvres MTdicales PrivTes Confessionnelles
| |