ISI
ISI stands for
- Infrared Spatial Interferometer
- Inter -symbol interference, the timing feathering of transmit symbols in digital communication systems, see symbol crosstalk
- Import-Substituting Industrialization
- Interstimulus interval, time interval between performance of two tasks or stimuli in experimental research, see Semantic Priming
- International Staging System, Staging of multiple myeloma, multiple myeloma see # Staging
Organizations:
- Indian Statistical Institute
- Information Sciences Institute of the University of Southern California
- Institute for Systems and Innovation Research of the Fraunhofer-Gesellschaft
- Institute for Scientific Information, producer of a database of scientific literature
- Institute for Scientific Interchange
- Inter-Services Intelligence, the Pakistani intelligence
- Intercollegiate Studies Institute, a conservative U.S. educational conveyor
- International Symposium for Information Science, the largest German -language conference in information science
- Interest Group Swiss Internet Radio, see IG Swiss Internet Radio
- Image Space Incorporated, a U.S. computer game company specializing in racing games
- International Statistical Institute, the International Statistical Institute, based in Voorburg ( NL)
- Islamic State in Iraq, see Islamic State in Iraq and the Levant
- Disambiguation
- Abbreviation