Sai

Sai or SAI may refer to:

Companies

 * Science Applications Incorporated, original name of Leidos
 * ICAO designator for Shaheen Air, a Pakistani airline
 * Skandinavisk Aero Industri, a former Danish aeroplane manufacturer
 * Software Architects, Inc., a North American computer software company
 * Springfield Armory, Inc., an American firearm manufacturer and importer
 * Supersonic Aerospace International, an American aerospace firm

Fiction

 * Fujiwara no Sai, a character in Hikaru no Go media
 * Sai (Naruto), a character in Naruto media
 * Hinoki Sai, a character in the Betterman universe
 * Sai Akuto, protagonist of Ichiban Ushiro no Dai Maō
 * Sai Argyle, a fictional character in the manga and anime Gundam series
 * Sai, a term of respect in Stephen King's The Dark Tower universe
 * Sai no Hanaya, a character in the Yakuza series

Government

 * Solar America Initiative
 * Sports Authority of India, an Indian government body
 * Supreme audit institution, a government audit body

Media

 * Sai music, a traditional style of music from southern Chad
 * Super Adventure Island, a side-scrolling platform game
 * Sai (film), 2010 film starring Lee Beom-soo

Military

 * Senior Army Instructor, in United States Army Junior ROTC
 * South African Infantry Corps
 * Sai (weapon), a traditional Japanese melee weapon

Places

 * Sai, Aomori, a village in Japan
 * Sai, Bhiwani, a village in the Bhiwani district of the Indian state of Haryana
 * Saï (island), on the Nile in Sudan
 * Sai (Mawal), a village in Pune district, Maharashtra, India
 * Sai, Orne, a French village and commune
 * Lake Sai, one of the Fuji Five Lakes in Japan
 * Sai River (disambiguation), several rivers

Organisations

 * SAI Global, Australian standards information and compliance organisation
 * Sathya Sai Organization, a non-profit organization for spiritual advancement
 * Scout Association of Ireland, a former Irish Scout Association which existed from 1908 to 2004
 * Sigma Alpha Iota, an international music fraternity for women
 * Società Aeronautica Italiana, an Italian aircraft manufacturer
 * Society of American Indians, an organization of prominent Native Americans active 1911 to 1923
 * Society of Architectural Illustrators, an organisation of and for architectural illustrators
 * Sweet Adelines International, an organization of women barbershop singers

People

 * Sai people or Li people, a minority Chinese ethnic group
 * Sai (caste)
 * Sai Baba (disambiguation), the name of several Hindu religious personages

Given name

 * Sai, real name Simon Wimmerberg, DJ/producer with the band Labyrint
 * Sai Kiran Adivi, Indian film director and producer
 * Sai Prathap Annayyagari (born 1944), member of the 14th Lok Sabha of India
 * Sai Deodhar (born 1984), Indian television actor
 * Sai Htee Saing (1950–2008), Burmese singer and songwriter of Shan descent
 * Sai Mauk Kham (born 1950), ethnic Shan politician and one of the two Vice Presidents of Myanmar
 * Sai Wing Mock (1879–1941), New York Chinese criminal and leader of the Hip Sing Tong
 * Sai Paranjpye (born 1938), Indian movie director and screenwriter
 * Sai Maa (born 1953), guru
 * Sai Sam Tun, owner of the Loi Hein Co, Ltd. of Myanmar
 * Sai On (1682–1761), scholar-bureaucrat official of the Ryūkyū Kingdom
 * Sai Kiran (born 1978), Indian actor who works in the Telugu film industry
 * Sai Yinjiya (born 1976), male Chinese freestyle wrestler

Surname

 * Anand Sai, Indian art director who works for Telugu films
 * Manoj Sai, Indian cricketer
 * Marlene Sai (born 1941), Hawaiian singer
 * Nand Kumar Sai (born 1946), Indian politician from Chhattisgarh state
 * Obodai Sai (born 1984), Ghanaian boxer
 * Ryouji Sai (born 1980), Japanese professional wrestler
 * Veer Surendra Sai (died 1884), Indian freedom fighter
 * Vishnudeo Sai (born 1964), member of the 14th Lok Sabha of India
 * Yōichi Sai (born 1949), Japanese film director

Research institutes

 * University of Texas at Austin South Asia Institute, USA
 * South Asia Institute (Germany)
 * Stan Ackermans Institute, in the Dutch city of Eindhoven
 * Sternberg Astronomical Institute, a division of Moscow State University in Russia

Science and technology

 * SAI (software), painting software
 * Sailfish, either of two species of fish in the genus Istiophorus
 * Serving area interface, or Service Area Interface, an outdoor telecommunications cabinet
 * Silent Aircraft Initiative, a project of the Cambridge-MIT Institute (CMI)
 * Strong AI, artificial intelligence that matches or exceeds human intelligence
 * Stratospheric aerosol injection (climate engineering)

Others

 * Sai (deity) or Shai, a god of fate in Egyptian mythology
 * Sai, a seldom-used biblical spelling variant of scythe, an agricultural hand tool
 * Steering Axis Inclination, a secondary wheel alignment measurement
 * Toyota Sai, alternate name for the Lexus HS hybrid car
 * Self-assessed intelligence