OSB
OSB is an abbreviation for:
- Mosul airport, international airport in Iraq after the IATA code
- Upper Palatinate Schützenbund eV, an umbrella organization of Sport Shooting in der Oberpfalz
- OEM for System Builder, Microsoft's OEM versions, see Original Equipment Manufacturer
- Protect Oldenburg eV, as District Association umbrella organization of 185 shooting clubs in 16 districts
- Operational Status bit, a term used in computer science
- Oracle Service Bus, a technology software company Oracle
- Ordo Sancti St. Benedict, Latin. for the Order of Benedictine
- Oriented beach board, dt OSB, particle board,
- Ortenau S-Bahn, the mass transit company in Ortenaukreis
- Disambiguation
- Abbreviation