CIOP
| Acronym | Definition |
|---|---|
| CIOP | Centralny Instytut Ochrony Pracy (Polish: Central Institute for Labour Protection) |
| CIOP | Common Input Output Platform |
| CIOP | Centro de Investigaciones Opticas (La Plata, Argentina) |
| CIOP | Chicago Industrial/Organizational Psychologists |
| CIOP | Common Inter-ORB Protocol |
| CIOP | Chartered Insurance Operations Professional Institute (New York, NY) |
| CIOP | Common Interface Operating Procedure |
| CIOP | Coaxial Input/Output Panel |
| CIOP | Clandestine Intelligence Operation Proposal |