| OSB | Object Oriented Scalable Billing 
| Others |
| OSB | Occupancy Standards Bureau
| Others |
| OSB | Ocean Studies Board
| Others |
| OSB | Oelen, Segnen, Begraben
| Others |
| OSB | Oem for System Builder
| Others |
| OSB | Off Site Bar
| Others |
| OSB | Off Site Branch
| Others |
| OSB | Office of Small Business
| Others |
| OSB | Office Services Branch
| Others |
| OSB | Officer Selection Board
| Others |
| OSB | Offset Spoke Bed
| Others |
| OSB | Offsite Site Backup
| Others |
| OSB | Ohio Sprint Bandits
| Others |
| OSB | Oklahoma School for the Blind
| Others |
| OSB | Old School Dune Buggies
| Others |
| OSB | On Street Buses
| Others |
| OSB | One Safe Berth
| Others |
| OSB | One Stop Business
| Others |
| OSB | Online Service Booking
| Others |
| OSB | Open Source Billing
| Others |
| OSB | Open Source Blog
| Others |
| OSB | Open Source Business
| Others |
| OSB | Open Speech Browser
| Others |
| OSB | Operation School Bell
| Others |
| OSB | Operation Sovereign Borders
| Others |
| OSB | Operations Software Branch
| Others |
| OSB | Opposition Stolen Bases
| Others |
| OSB | Optimal Spectrum Balancing
| Others |
| OSB | Option Select Button
| Others |
| OSB | Oracle Secure Backup
| Others |
| OSB | Oracle Service Bus
| Others |
| OSB | Oral Systemic Balance
| Others |
| OSB | Order of Saint Benedict
| Others |
| OSB | Order of St. Benedict
| Others |
| OSB | Order Some Beer
| Others |
| OSB | Oregon State Bar
| Others |
| OSB | Organize Sanayi Bolgesi
| Others |
| OSB | Oriented Stand Board
| Others |
| OSB | Oriented Strand Board
| Others |
| OSB | Oriented Strand Boards
| Others |
| OSB | Oriented Surface Board
| Others |
| OSB | Original Stump Blower
| Others |
| OSB | Orthodox Study Bible
| Others |
| OSB | Orthopedic Seat Backrest
| Others |
| OSB | Outdoor Summer Bonanza
| Others |
| OSB | Outlaw Sprint Bandits
| Others |
| OSB | Over Strength Board
| Others |
| OSB | The Other Song Book
| Others |