PWS may refer to:

• Personal weather station
• Personal web server, hardware and software used to run a web server on a desktop computer
  • Microsoft Personal Web Server, software for Windows operating systems
• Present weather sensor, a device that detects and measures precipitation
• Pressure wave supercharger, a type of super-charger
• Progressive Web Site, a web authoring framework incorporating HTML5, CSS, and JavaScript
• Public Warning System, used for alerting the public to events such as disasters

• Palestine Wildlife Society
• Performance work statement, summarizing the work element of a contract
• Podlaska Wytwórnia Samolotów, a Polish aircraft manufacturer
• Prader–Willi syndrome, a genetic disorder
• Purwosari railway station in Indonesia (station code PWS)
• Winston Smith Project (Italian:Progetto Winston Smith), a human rights project

This disambiguation page lists articles associated with the title PWS.
If an internal link led you here, you may wish to change the link to point directly to the intended article.