SGI

SGI may refer to:

Companies

 * Saskatchewan Government Insurance
 * Scientific Games International, a gambling company
 * Silicon Graphics, Inc., a former manufacturer of high-performance computing products
 * Silicon Graphics International, formerly Rackable Systems, which acquired the former Silicon Graphics, Inc.
 * Smoking Gun Interactive, a video game company
 * Synthetic Genomics, Inc., an alternative fuels company

Other uses

 * Saanich-Gulf Islands, a federal electoral district in British Columbia, Canada
 * Silicon Graphics Image, a graphics file format for Silicon Graphics workstations
 * Soka Gakkai International, a Nichiren Buddhist movement and also a non-governmental organization (NGO)
 * SGI, the IATA code for Mushaf Airbase in Pakistan
 * Stargate Infinity, an animated television series
 * Spheroidal graphite iron, another name for ductile iron
 * Sustainable Governance Indicators, statistics measuring the need for reform among Organisation for Economic Co-operation and Development countries