OSP
OSP is an abbreviation for:
- Object breakdown structure , a supplementary planning aid to the project breakdown structure
- Office of Special Plans , an agency of the United States Department of Defense
- Olympiastützpunkt , a facility for high-performance sport in Germany
- Olympic rapid fire pistol , Olympic competition discipline
- Open Source Physics , an open source physics programming library
- Oregon State Police , the police force for the US state of Oregon
- Organic Solderability Preservative , a surface coating for printed circuit boards
- Microsoft Open Specification Promise , Microsoft's promise not to take action against some patents in web services
- Walther OSP, a sport pistol, see Walther GSP #Variants
