| Acronym | Definition |
|---|
| OCC➣Office of the Comptroller of the Currency |
| OCC➣Orange County Choppers (Orange County, NY) |
| OCC➣Operation Christmas Child |
| OCC➣Overclockers Club (website) |
| OCC➣Orange Coast College (Costa Mesa, California) |
| OCC➣Occulting (nautical) |
| OCC➣Oklahoma Corporation Commission |
| OCC➣Options Clearing Corporation |
| OCC➣Oxfordshire County Council (UK) |
| OCC➣Onondaga Community College (Syracuse, NY) |
| OCC➣Office of Child Care |
| OCC➣Ocean County College (Toms River, NJ) |
| OCC➣Oakland Community College (Detroit, MI) |
| OCC➣Old Corrugated Cartons (pulp and paper industry) |
| OCC➣Office of Climate Change (UK) |
| OCC➣Optimistic Concurrency Control |
| OCC➣Orange County Council (Boy Scouts of America) |
| OCC➣Occupancy Rate |
| OCC➣Ozark Christian College |
| OCC➣Office Congolais de Contrôle (Democratic Republic of Congo ISO correspondent member) |
| OCC➣Ontario Chamber of Commerce |
| OCC➣Odense Congress Center (event organizer; Denmark) |
| OCC➣Ohio Capital Conference (high school athletic conference) |
| OCC➣Oakton Community College |
| OCC➣Old Corrugated Container (wood pulp) |
| OCC➣Office of the Chief Counsel |
| OCC➣Optical Cable Corporation (Roanoke, VA) |
| OCC➣Office of the Chlidren's Commissioner (New Zealand) |
| OCC➣Old Corrugated Cardboard (recyclable waste) |
| OCC➣Operation Control Centre (UK) |
| OCC➣Oregon Convention Center (Portland, OR) |
| OCC➣One Cycle Control (switching power converters) |
| OCC➣Open-Loop Control |
| OCC➣Opportunity Cost of Capital (finance) |
| OCC➣Orchid Country Club (Singapore) |
| OCC➣Operating Characteristic Curve |
| OCC➣Outer Critics Circle (est. 1949) |
| OCC➣Office of Contract Compliance (various locations) |
| OCC➣Obligatory Classical Content |
| OCC➣Originating Call Control |
| OCC➣Operations Control Center |
| OCC➣Orange County Choppers |
| OCC➣Optical Cable Code |
| OCC➣Output Control Cell Counter |
| OCC➣Open Code Collection |
| OCC➣Occasionally Connected Computing |
| OCC➣One Click Computer |
| OCC➣Online Career Center |
| OCC➣Orthogonal Cover Code |
| OCC➣Office of Citizen Complaints (San Francisco Police Department; California) |
| OCC➣Owensboro Community College (Kentucky) |
| OCC➣Old Catholic Church |
| OCC➣Office of the Corporation Counsel (Washington, DC) |
| OCC➣One City Challenge (gaming) |
| OCC➣Order of the Caribbean Community |
| OCC➣Oil Conservation Commission (New Mexico) |
| OCC➣Oakmont Country Club (Oakmont, PA) |
| OCC➣Ontario Casino Corporation |
| OCC➣Operations Coordination Center |
| OCC➣Orthodox Church of Canada |
| OCC➣Orthodox Catholic Church |
| OCC➣Other Charges and Credits |
| OCC➣Office of Career Counseling (various schools) |
| OCC➣Orinda Country Club (California) |
| OCC➣Office of Communications and Computing (various schools) |
| OCC➣Outreach Community Center (various locations) |
| OCC➣Oil Coordination Committee |
| OCC➣Organochlorine Compound |
| OCC➣Online Content Creation (Internet) |
| OCC➣Other Common Carrier |
| OCC➣Ohno Continuous Casting (high-quality technique for drawing copper) |
| OCC➣Oral Communication Center (various schools) |
| OCC➣Object Class Code |
| OCC➣Occasionally Connected Computing (mobile computing & WiFi) |
| OCC➣Operation Command Centre (Canada) |
| OCC➣Onset Computer Corporation |
| OCC➣Owensboro Country Club (Owensboro, KY) |
| OCC➣Operating Company Contribution |
| OCC➣Office of College Computing (various schools) |
| OCC➣Orthogonal Complementary Code |
| OCC➣Oaks Christian Church (various locations) |
| OCC➣One Campus Challenge (various schools) |
| OCC➣Ordened Computer Chaos (LAN-Party in Belgium) |
| OCC➣Orange County Catering (Fullerton, CA) |
| OCC➣Onondaga Cycling Club (Syracuse, NY) |
| OCC➣Onion Creek Crawdaddies (band) |
| OCC➣Open Communications Controller (software; Weatherford) |
| OCC➣Overseas Coordination Conference |
| OCC➣Ochanomizu Church of Christ (Japan) |
| OCC➣Orange County Criminals (gang; California) |
| OCC➣Opposed Current Converter |
| OCC➣Ocean Cable Co., Ltd. (Japan) |
| OCC➣Osaka Copywriters Club (Osaka, Japan) |
| OCC➣Oxford Community Church (UK) |
| OCC➣Ontario College Counsellors |
| OCC➣Okemos Christian Center (Okemos, MI) |
| OCC➣Occupational Character Class (RIFTS) |
| OCC➣Optical Connection Controller (IEEE) |
| OCC➣Originating Call Control (Cisco) |
| OCC➣Odd Crosscorrelation |
| OCC➣Operator Control Command |
| OCC➣Outage Control Center (nuclear power) |
| OCC➣Ocean Carrier Code |
| OCC➣Officially Certified Chronometer |
| OCC➣Officer Course Code |
| OCC➣Officer Classification Code |
| OCC➣Ontario Computer Centre |
| OCC➣Organización para los Comunistas Canarios (Organization for Canarian Communists; Canary Islands) |
| OCC➣Operational/Operations Control Center |
| OCC➣Onsite Construction Contractor |
| OCC➣Operations Clerical Coordinator |
| OCC➣Optical Control Card (Sycamore) |
| OCC➣On-Chip Clocking |
| OCC➣Outgoing Call Completions |
| OCC➣Original Code Consulting (Denver, CO) |
| OCC➣Office of Community Collaboration (various organizations) |
| OCC➣Opale Classic Cars (French automobile club) |
| OCC➣Other Costs and Credits (accounting component) |
| OCC➣Opel Classic Club (automotive club; Romania) |
| OCC➣Odawara Christian Center |