| Acronym | Definition |
|---|
| COPSS | Committee of Presidents of Statistical Societies |
| COPSS | Confederation of Postgraduate Schools of Surgery (UK) |
| COPSS | Committee on Port Safety and Security (now Community Outreach Promoting Energy; California) |
| COPSS | Council of Presidents of Statistical Societies |
| COPSS | Community Outreach Promoting Safety and Security (now Community Outreach Promoting Emergency Preparedness, Santa Monica, CA) |
| COPSS | College of Physicians and Surgeons of Saskatchewan |
| COPSS | Canadian Organization of Professional Secret Shoppers |