interferometer spectrometer and radiometer, an instrument used in the Voyager space program Interface Region Imaging Spectrograph, a space probe to observe the Sun Iris Nebula, a reflection nebula and Caldwell object in the constellation Cepheus International Radiation Investigation Satellite, an early satellite to study radiation in space Internet Routing in Space, an Internet router on a satellite Biology and medicine Iris (anatomy), part of the eye Iris (insect), a genus of praying mantis Iris (plant), a genus of flowering plants Iris (psychedelic), a psychedelic drug Iris glossy-starling, the emerald starling (Lamprotornis iris) Immune reconstitution inflammatory syndrome, a complication of HIV treatment Computing Computing hardware IRIS (biosensor), an interferometric high-throughput biosensor Iris Mote, a wireless sensor node Iris printer, an inkjet printer SGI IRIS, a line of computer terminals and workstations HTC Iris, a smartphone manufactured by High Tech Computer Corporation Intel HD, UHD and Iris Graphics, a series of integrated graphics processors Internet Routing in Space, a space-capable IP router Software IRIS (astronomical software), an image processing application IRIS (transportation software), an Advanced Traffic Management System Iris Associates, an American software company, developer of Lotus Notes Iris Browser, a web browser IRIS GL, a graphics application programming interface IRIS Workspace, a graphically organized iconic desktop environment Incident Resource Inventory System (IRIS), a distributed software tool provided by the Federal Emergency Management Agency (FEMA) Other uses in computing Iris Challenge Evaluation, a series of NIST events to promote iris recognition technology Iris Recognition Immigration System, an electronic border control system Information Systems Research in Scandinavia, a non-profit organization in Scandinavia Iris flower data set, a standard example data set for use in statistics (and related software) Weapons IRIS (jamming device), an Estonian weapon IRIS-T, a German air-to-air missile Shahab-4 or IRIS, an Iranian liquid propelled missile Other uses in science and technology Iris (diaphragm), a mechanical device in optical systems Tropical Storm Iris (disambiguation), three tropical cyclones in the Atlantic Ocean IRIS Consortium, a seismology research project Institute for Research in Information and Scholarship, a Brown University program Internal rotary inspection system, a pipe testing method International Reactor Innovative and Secure, a nuclear reactor design IRIS (), aggregated units for statistical information in French census mapping Transportation Aircraft Abraham Iris, a 1930s French touring airplane Blackburn Iris, a 1920s British biplane flying boat Automobiles Iris (car), a British car brand manufactured 1906–1925 Desert Iris, a Jordanian 4x4 strategic auxiliary vehicle Tata