Other
- Psalms, a book of the Hebrew Bible
- Passenger service system, systems used by airlines to manage reservations, inventory and check-in
- Product Support Services, a Microsoft business unit
- Radio-controlled glider#PSS for Power Scale Soaring, A form of radio controlled model flying
- Paikiasothy Saravanamuttu Stadium, a sporting stadium in Colombo, Sri Lanka
- Product service system, a system of consumer access to products, as an alternative to personal product ownership
- PSS Silent Pistol, a Soviet-designed silent handgun
- Pinetree Secondary School, a high school in School District 43 Coquitlam
- PSS Sleman for Persatuan Sepakbola Sleman, an Indonesian football club
- PlayStation Store, online market on the Sony PlayStation Network
- PSS-SOF, Precision Strike Suite Special Operations Forces
- PSS, Protective Security Specialist (US Department of State, Bureau of Diplomatic Security Job Title/Qualification)
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