ISS (disambiguation)

ISS generally refers to the International Space Station, but may also refer to:
* Injury Severity Score, an established medical score used to asses the severity of trauma
* ISS A/S, a Danish service company
* Institute for Security Studies regional think tank in Africa
* Institute for Security Studies (EU) a European Union think tank
* Institute of Strategic Studies regional think tank in Pakistan
* Institute of Social Studies, international institute of higher education on social and economic change with a focus on development processes
* Industrial Sounding System, proposed method of launching inert objects into low orbit with the use of a cannon
* "International Superstar Soccer", series of Japanese soccer video games by Konami
* Internet Security Systems, security software vendor
* Imaging Science Subsystem, a set of cameras aboard the Cassini spacecraft
* International Seismological Summary, global earthquake catalog for the time period between 1918 and 1963
* Imperial Star Ship, in the Star Trek Mirror Universe is a space ship of the Terran Empire
* International Social Services, a charitable, non-governmental organisation
* International School of Stavanger, a private Primary, Middle and High School in Stavanger, Norway
* [http://www.securityacademy.com International Security Academy] Israel - formerly known as ISS - Int. Security School]
* Instruction Set Simulator, computer program that simulates a processor at the instruction-set level
* Indian Springs School, a boarding school in Birmingham, Alabama
* Innisdale Secondary School, a high school in Barrie, Ontario
* In-school suspension, a form of punishment in some schools
* Idiopathic Short Stature, an unexplained short stature.
* Input to state stability, which is a notion in control theory
* Ion scattering spectroscopy, a materials analysis method.
* Idea Star Singer, A Malayalam music reality show by Asianet TV.