| Rank | Abbreviation | Meaning |
|---|
| ***** | PCOC | Peugeot Cabriolet Owners Club
| |
| ***** | PCOC | Primary Care Organization Consortium
| |
| **** | PCOC | Potential Chemical of Concern
| |
| **** | PCOC | Pleasure Card Operator Card
| |
| *** | PCOC | Potential Contaminant of Concern
| |
| *** | PCOC | Pest Control Operators of California Inc.
| |
| *** | PCOC | Pleasure Craft Operators Certificate
| |
| *** | PCOC | Pleasure Craft Operator Certification
| |
| *** | PCOC | Plant Carry on Container
| |
| ** | PCOC | peripheral calcifying odontogenic cyst
| |
| ** | PCOC | Pacific Coast OrigamiUSA Conference
| |
| * | PCOC | Philippine Congress Organizing Center
| |
| * | PCOC | Pest Control Oversight Committee
| |
| * | PCOC | Pleasure Craft Operator Card
| |
| * | PCOC | Pomeranian Club of Canada
| |
| * | PCOC | Privy Council Order in Council
| |
| * | PCOC | Pacific Coast Origami Conference
| |
| * | PCOC | Presbyterian Church of the Covenant
| |
| * | PCOC | Pleasure Craft Operator Competency
| |
| * | PCOC | Polk County Opportunity Council
| |
| * | PCOC | Provincial Certificate of Canvass
| |
| * | PCOC | Portage Community Outreach Center
| |
| * | PCOC | Palliative Care Outcomes Collaboration
| |
| * | PCOC | Pure Coconut Oil Company
| |
| * | PCOC | President's Commission on Organized Crime
| |