JSS may refer to:
Arts and media "JSS" (The Walking Dead), a 2015 episode of the American TV series Journal of the Siam Society, published in Thailand
Businesses and organisations Janathipathiya Samrakshana Samithy, an Indian political party Japan Statistical Society, a learned society Jet Stream International (ICAO code: JSS), a Pakistani airline Jönköpings SS, a Swedish swimming club Joyson Safety Systems, an American automotive company
Education James Striar School of General Jewish Studies Japanese School of Suzhou, China Junior Solar Sprint, United States Jurong Secondary School, Singapore
Military Joint Security Stations, components of 2007's Operation Imposing Law in Iraq Joint support ship, a multi-role naval vessel Joint Surveillance System, a USAF and FAA system for the atmospheric air defense of North America Protecteur-class auxiliary vessel (previously the Joint Support Ship Project), naval auxiliaries for the Royal Canadian Navy
Other uses Network Security Services for Java (JSS), a programming library component
See also JS (disambiguation) JS2 (disambiguation)