| OBC | Obey Before Complain 
| Others |
| OBC | Objective Body Consciousness
| Others |
| OBC | Obligatory Baseball Comment
| Others |
| OBC | Occoquan Bible Church
| Others |
| OBC | Occoquan Boat Club
| Others |
| OBC | Occupancy Based Control
| Others |
| OBC | Ocean Bottom Cable
| Others |
| OBC | Oconee Brewing Company
| Others |
| OBC | Oden Bunka Center
| Others |
| OBC | Odyssey Block Constructed
| Others |
| OBC | Office of Bar Counsel
| Others |
| OBC | Office of Boards and Commissions
| Others |
| OBC | Office of the Bar Counsel
| Others |
| OBC | Officer Basic Course
| Others |
| OBC | Official Black Chick
| Others |
| OBC | Ohio Basketball Club
| Others |
| OBC | Ohio Building Code
| Others |
| OBC | Ojai Beverage Company
| Others |
| OBC | Olathe Bible Church
| Others |
| OBC | Old Baseball Cards
| Others |
| OBC | Old Bastards Clan
| Others |
| OBC | Old Bourbon County
| Others |
| OBC | Old Boys Club
| Others |
| OBC | Olivet Baptist Church
| Others |
| OBC | On Board Camera
| Others |
| OBC | On Board Charger
| Others |
| OBC | On Board Checkout
| Others |
| OBC | On Board Computer
| Others |
| OBC | On Board Controllers
| Others |
| OBC | On Board Courier
| Others |
| OBC | On Board Couriers
| Others |
| OBC | On Board Credit
| Others |
| OBC | On-Board Couriers
| Others |
| OBC | On-line Buyers Club
| Others |
| OBC | OnBoard Computer
| Others |
| OBC | One Button Checkup
| Others |
| OBC | Online Babyfur Community
| Others |
| OBC | Online Banking Community
| Others |
| OBC | Online Booty Call
| Others |
| OBC | Online Business Centre
| Others |
| OBC | Ontario Building Code
| Others |
| OBC | Opening Body and Conclusion
| Others |
| OBC | Oprah's Book Club
| Others |
| OBC | Optical Bar Camera (U-2 sensor)
| Others |
| OBC | Optical Brightening Compensation
| Others |
| OBC | Optimized Bolt Carrier
| Others |
| OBC | Optimum Bactericidal Concentration
| Others |
| OBC | Optometric Billing Consultants
| Others |
| OBC | Order of British Columbia
| Others |
| OBC | Order of Buddhist Contemplatives
| Others |
| OBC | Ordnance Basic Course
| Others |
| OBC | Oregon Bus Club
| Others |
| OBC | Oregon Business Council
| Others |
| OBC | Orenge Berg Clic
| Others |
| OBC | Org Biomol Chem
| Others |
| OBC | Org Bukkit Craftbukkit
| Others |
| OBC | Organic and Biomolecular Chemistry
| Others |
| OBC | Organic Biomolecular Chemistry
| Others |
| OBC | Organization Budget Council
| Others |
| OBC | Organization Budget Council's
| Others |
| OBC | Organization for Bat Conservation
| Others |
| OBC | Oriental Bank of Commerce
| Others |
| OBC | Oriental Basketball Club
| Others |
| OBC | Original Birth Certificate
| Others |
| OBC | Original Birth Certificates
| Others |
| OBC | Original Born Cypher
| Others |
| OBC | Original Broadway Cast
| Others |
| OBC | Original Button Code
| Others |
| OBC | Orono Brewing Company
| Others |
| OBC | Other Backward Caste
| Others |
| OBC | Other Backward Castes
| Others |
| OBC | Other Backward Class
| Others |
| OBC | Other Backward Classes
| Others |
| OBC | Other Backwards Castes
| Others |
| OBC | Other Backwards Classes
| Others |
| OBC | Ottmar Beckmann Cars
| Others |
| OBC | Oude Benz Club
| Others |
| OBC | Our Beloved Community
| Others |
| OBC | Our Big Concert
| Others |
| OBC | Our Boy Clay
| Others |
| OBC | Our on Board Courier
| Others |
| OBC | Out of Band Control
| Others |
| OBC | Outboard Boating Club
| Others |
| OBC | Outline Business Case
| Others |
| OBC | Outrageous Builders Club
| Others |
| OBC | Outside Back Cover
| Others |
| OBC | Outward Bills for Collection
| Others |
| OBC | Over Betuwe College
| Others |
| OBC | Overcoming Believers Church
| Others |
| OBC | Overseas Briefing Center
| Others |