| Acronym | Definition |
|---|
| OCCF | Operator Communication Control Facility |
| OCCF | Optical Cable Corporation (also seen as OCC; Roanoke, VA) |
| OCCF | One-Class Collaborative Filtering (various organizations) |
| OCCF | Oklahoma City Community Foundation |
| OCCF | Orange Coast Crossfit (California) |
| OCCF | Oregon Commission on Children and Families (est. 1993) |
| OCCF | Orange County Community Foundation (Irvene, CA) |
| OCCF | Oldham County Community Foundation (Kentucky) |
| OCCF | Ohio County Community Foundation (Rising Sun, IN) |
| OCCF | Osceola County Community Foundation (Reed City, MI) |
| OCCF | Otsego County Community Foundation (Gaylord, MI) |
| OCCF | Orange County Citizens Foundation (est. 1971; Sugar Loaf, NY) |
| OCCF | Orange County Christian Fellowship (Anaheim, CA) |
| OCCF | Onondaga Community College Foundation (New York) |
| OCCF | Oversight Committee on Corruption and Fraud (various organizations) |
| OCCF | Okanogan Community Consciousness Fund (Tonasket, WA) |
| OCCF | Oxford Centre for Computational Finance (now Mathematical and Computational Finance Group; UK) |
| OCCF | Opel Classic Club de France (French classic automobile club) |
| OCCF | Organization for Collaboration of Railways |
| OCCF | Outreach Center of Central Florida |
| OCCF | Osservatorio Critico Sulla Consulenza Filosofica (Italian: Observatory on Critical Philosophical Consulting) |