What is "osb"

OSB may refer to:

• OSB, Amtrak station code for the Old Saybrook (Amtrak station), Connecticut, United States
• OneSavings Bank plc, a UK registered bank.
• Operation Smiling Buddha, India's first test explosion of a nuclear device (1974)
• Operation Sovereign Borders, Australian border security operation
• Oracle Service Bus, enterprise service bus implementation (software networking)
• Oregon State Bar, public body regulating the legal profession in Oregon, United States
• Oriented strand board, engineered-wood product
• Orquestra Sinfônica Brasileira, the Brazilian Symphony Orchestra, based at the Cidade da Música in Rio de Janeiro
• Ordnance Supply Base, Singapore Armed Forces, a past Singapore Armed Forces competition winner