| Acronym | Definition |
|---|
| OCCA➣Oklahoma Court of Criminal Appeals |
| OCCA➣Organized Crime Control Act |
| OCCA➣Oregon Coast Council for the Arts |
| OCCA➣Oregon Community College Association |
| OCCA➣Oil & Colour Chemists' Association |
| OCCA➣Ohio Community Corrections Association |
| OCCA➣Orthodox Catholic Church of America |
| OCCA➣Oregon Cheerleading Coaches Association |
| OCCA➣Open Cooperative Computing Architecture (NCR) |
| OCCA➣Oregon Computer Consultants Association |
| OCCA➣Onondaga Community College Association (New York) |
| OCCA➣Old Catholic Church of America |
| OCCA➣Oldie Computer Club Ahlen (Germany) |
| OCCA➣Ohio Concrete Construction Association |
| OCCA➣Online Courseware Component Architecture |
| OCCA➣Old City Civic Association |
| OCCA➣Off-Campus and Commuter Association |
| OCCA➣Ontario Current Cost Adjustment |
| OCCA➣Ohio Clerk of Courts Association |
| OCCA➣On-Line Chemistry Concept Assessment |
| OCCA➣Orange County Cocaine Anonymous |
| OCCA➣Oklahoma Club Calf Association |
| OCCA➣Ocean Club Community Association |
| OCCA➣Ontario Conference of Casualty Actuaries |
| OCCA➣Old Coopers' Coborn Association |
| OCCA➣Ovarian Clear Cell Carcinoma |
| OCCA➣Oxley Creek Catchment Association Inc |
| OCCA➣Ocean Cargo Clearance Activity |
| OCCA➣Orange County Callers Association |
| OCCA➣Old Colony Callers Association (professional square dance callers) |
| OCCA➣Orthodox Christian Clergy Association |
| OCCA➣Omeir Cotran and Chris Antich (Britain) |
| OCCA➣Old Colony Callers Association |
| OCCA➣Orinda Community Center Auxiliary |
| OCCA➣Orphan Care for Central Asia |
| OCCA➣Orissa Cine Critics Association |
| OCCA➣Ontario Casino Corporation Act |
| OCCA➣Okanagan Caller & Cuer Association |
| OCCA➣Oklahoma Cotton Cooperative Association |
| OCCA➣Orange County Corel Association |
| OCCA➣Optical Communication Over Clear Atmosphere |
| OCCA➣Oregon County Clerks Association |
| OCCA➣Omnibus Criminal Control Act |
| OCCA➣Oxford Circle Civic Association |
| OCCA➣Ontario Campus Conservatives Association (Canada) |
| OCCA➣Ocean Cargo Clearance/Clearing Authority |
| OCCA➣Office de la Cession de Commerces et d'Affaires (Belgium) |
| OCCA➣Ontario Chinese Canadian Association (Canada) |