OCC

• Francisco de Orellana Airport
• Kamen Rider OOO
• OC Châteaudun
• Oakland Community College
• Oakton Community College
• Occasionally connected computing
• Ocean County College
• Ocean Cruising Club
• Oceania Club Championship
• Oceanian Cycling Confederation
• Office of Child Care
• Office of the Comptroller of the Currency
• Officer Candidates Course
• Official Charts Company
• Ohio Capital Conference
• Ohio Cardinal Conference
• Oklahoma Corporation Commission
• Online Compliance Consortium
• Onnuri Community Church
• Onondaga Community College
• Ontario Crafts Council
• Open Cloud Consortium
• Operation Christmas Child
• Operations Control Center
• Opportunity cost of capital
• Optical Cable Corporation
• Optimistic concurrency control
• Optimists Cricket Club
• Options Clearing Corporation
• Orange Coast College
• Orange County Choppers
• Orange County, California
• Oregon Convention Center
• Organic composition of capital
• Osborne Computer Corporation
• Ottawa Curling Club
• Ozark Christian College
• POWER8
• Science Communication Observatory
• The Oxford Companion to Chess