ISI

ISI or Isi may refer to:

• İsi, a village and municipality in the Masally Rayon of Azerbaijan

Organizations

• Bureau of Indian Standards, previously the Indian Standards Institute, the national Standards Body of India
• Institute for Scientific Information, part of the Healthcare & Science business of the multi-billion dollar Thomson Reuters Corporation
• Institute for Scientific Interchange, Torino Italy.
• Inter-Services Intelligence, Pakistan's leading intelligence agency
• International Statistical Institute, a professional association of statisticians
• International Systems Institute, a non-profit, public benefit scientific and educational corporation founded by Béla H. Bánáthy
• Iron and Steel Institute, precedent organization to the Institute of Materials, Minerals and Mining
• Islamic State of Iraq, an umbrella organization of a number Iraqi insurgency groups
• The Integral Satcom Initiative (ISI), the European Technology Platform on Satellite Communications

Schools

• Independent Schools Inspectorate, an organisation responsible for the inspection of independent schools in England
• Indian Statistical Institute, a public research institute and university near Kolkata, India
• Indonesian Institute of the Arts, Surakarta, an arts university in Surakarta, Indonesia
• Indonesian Institute of the Arts, Yogyakarta (Institut Seni Indonesia Yogyakarta), a state-owned college in Yogyakarta,Indonesia
• Information Sciences Institute, a research and development unit of the University of Southern California's Viterbi School of Engineering
• Institute of Scientific Instrumentation, a subsidiary of the University Grants Commission (Bangladesh)
• Intercollegiate Studies Institute, a non-profit educational organization
• International School Ibadan, a school located on the Campus of the University of Ibadan

Other

• ContactPoint (previously Information Sharing Index), a government database that held information on all children under 18 in England
• Ice Skating Institute, a trade association for ice rinks
• Image Space Incorporated, an Independent video game developer
• Import substitution industrialization, a trade and economic policy
• Infrared Spatial Interferometer, an astronomical interferometer array of three telescopes
• Interstimulus interval, the temporal interval between the offset of one stimulus to the onset of another
• Intersymbol interference, a form of distortion of a signal in which one symbol interferes with subsequent symbols
• ISI mark, a product certification mark in India.