Ist

• Adobe ImageStyler
• IS Tighennif
• Inappropriate sinus tachycardia
• Indian Standard Time
• Information and Software Technology
• Institute for Simulation and Training
• Institute of Science and Technology, Austria
• Institute of Science and Technology, Bangladesh
• Institute of Science and Technology, West Bengal
• Institute of Space Technology
• Instituto Superior Técnico
• InterSwitch Trunk
• Internal set theory
• International School Tripoli
• International School of Tanganyika
• International School of Toulouse
• International Socialist Tendency
• International Spartacist Tendency
• Interrupt Stack Table
• Inverse scattering transform
• Irish Standard Time
• Israel Standard Time
• Ist (band)
• Ist (island)
• Istanbul Airport
• Istriot
• Penn State College of Information Sciences and Technology
• Society for Imaging Science and Technology
• Toyota ist