OSP

OSP or Osp may refer to:

Places

• Osp, a valley and a village in Slovenia

Biology

• Outer surface proteins (Osp), expressed in the outer membrane of some gram-negative bacteria, particularly Borrelia burgdorferi

Organizations

• Oblate Sisters of Providence, a Roman Catholic women's religious institute
• Office of Special Plans, a U.S. intelligence unit (2002–2003)
• Onafhankelijke Socialistische Partij (Independent Socialist Party), a revolutionary socialist political party in the Netherlands
• Orchestra of St Paul's, a professional chamber orchestra resident at the Actors' Church, London
• Oregon Star Party, an annual event in the United States for observational astronomy
• Oregon State Police, an American law enforcement agency

Technology

• Online service provider, a supplier of internet content
• Open Settlement Protocol, a standard for ISPs to exchange information on IP telephony
• Open Source Physics, a project to encourage open source code libraries for numerical simulation
• Open Specification Promise, a legal statement concerning use of Microsoft intellectual property
• Open Syllabus Project, an open-source syllabus database
• OpenShot, a free and open-source video editor for Windows, macOS, Linux, and ChromeOS
• Operating System Projects, an environment for teaching about computer systems
• Orbital Space Plane, a NASA concept to support the International Space Station
• Organic solderability preservative, a method for coating printed circuit boards
• Outside plant, the telecommunications or electrical cabling between supplier and customer

Other

• Ovince St. Preux, an American martial artist known as OSP
• Orthosymplectic group

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