PSW may refer to:
- PSW Science, the oldest scientific society in Washington, D.C.
- Personal Support Worker, Canada
- PlayStation World, a UK magazine
- Program status word, a control register in IBM mainframe computers
- Baillie–PSW primality test in mathematics
- Part Submission Warrant in production part approval process
- Post Study Work Visa, UK
This disambiguation page lists articles associated with the title PSW.
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