{{wiktionary|-sai|shani|saei|sai|sai-}} '''Sai''' or '''SAI''' may refer to: {{TOC right}}

==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 * Stability AI, an artificial intelligence company, best known for its text-to-image model Stable Diffusion. * 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 (the Florist of Sai), 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 * ''Scaled and Icy'' (2021), sixth studio album by the American musical duo, Twenty One Pilots

== Military == * Senior Army Instructor, in United States Army Junior ROTC * South African Infantry Corps * Sai (weapon), an Asian melee weapon

==Places== * Sai, Orne, a French village and commune * Sai, Bhiwani, Haryana, India * Sai (Mawal), a village in Pune district, Maharashtra, India * Sai, Raebareli, a village in Uttar Pradesh, India * Sai, Aomori, a village in Japan * Lake Sai, one of the Fuji Five Lakes in Japan * Saï (island), on the Nile in Sudan * Sai River (disambiguation) * Siem Reap–Angkor International Airport, IATA airport code SAI

==Organisations== * SAI360, Australian standards organisation * Sathya Sai Organization, religious organization * Scout Association of Ireland, 1908–2004 * SAI Ambrosini, an Italian aircraft manufacturer * Society of American Indians, 1911–1923 * Society of Architectural Illustrators * Sweet Adelines International, women barbershop singers

==People== ===Groups=== * Sai people or Li people, a minority Chinese ethnic group * Sai (caste)

===Given name=== * Sai Kiran Adivi, Indian film director and producer * Sai Prathap Annayyagari (born 1944), Indian politician * Sai Bennett (born 1990), British actress and model * Sai Deodhar (born 1984), Indian television actor * Sai Mauk Kham (born 1950), ethnic Shan politician and one of the two vice presidents of Myanmar * Sai Kanakubo (born 1989), Japanese football * Sai Kiran (born 1978), Indian actor who works in the Telugu film industry * Sai Wing Mock (1879–1941), New York Chinese criminal and leader of the Hip Sing Tong * Sai Pallavi (born 1992), Indian actress * Sai Paranjpye (born 1938), Indian movie director and screenwriter * Sai Sam Tun, owner of the ''Loi Hein Co, Ltd.'' of Myanmar * Sai Yinjiya (born 1976), male Chinese freestyle wrestler * Sai Yukino (born 1982), Japanese female author

===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 * Sai On (1682–1761), scholar-official of the Ryūkyū Kingdom * Ryouji Sai (born 1980), Japanese professional wrestler * Sai Taku (1645–1725), Ryukyuan aristocrat and bureaucrat * Tiaoalii Fauagiga Sai, American Samoan politician * Veer Surendra Sai (died 1884), Indian freedom fighter * Vishnudeo Sai (born 1964), Chief Minister of Indian state of Chhattisgarh * Yōichi Sai (born 1949), Japanese film director * Yoshiko Sai (born 1953), Japanese singer, composer and poet

===Other people=== * Sai, real name Simon Wimmerberg, DJ/producer with the band Labyrint * Sai Htee Saing (1950–2008), Burmese singer and songwriter of Shan descent * Sai Maa (born 1953), Mauritian guru

==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 * Serving area interface, or ''service'' area interface, an outdoor telecommunications cabinet * Silent Aircraft Initiative, Cambridge-MIT Institute project *Single-collateral Dai (cryptocurrency), discontinued * Stratospheric aerosol injection in geoengineering * Subject–auxiliary inversion in linguistics

==Other uses== * Sai (deity), an Egyptian god * Steering Axis Inclination, a secondary wheel alignment measurement * Toyota Sai, alternate name for the Lexus HS hybrid car * Self-assessed intelligence

==See also== * Sai Baba (disambiguation), an honorific term for ascetics in India * Sain (disambiguation) * Sais (disambiguation)

{{disambiguation|geo|given name|surname}} Category:Japanese-language surnames Category:Japanese unisex given names