Sai or SAI may refer to:

Companies

* Science Applications Incorporated, original name of

Leidos Leidos Holdings, Inc. is an American defense company, defense, Aerospace manufacturer, aviation, information technology, and biomedical research company headquartered in Reston, Virginia, that provides scientific, engineering, systems integrati ...

* ICAO designator for Shaheen Air, a Pakistani airline *

Skandinavisk Aero Industri Skandinavisk Aero Industri A/S (abbreviated SAI; English: Scandinavian Aero Industries) was a Danish manufacturer of aeroplanes that existed between 1937 and 1954. The company was founded by technician Viggo Kramme (1905–1984) and engineer K ...

, a former Danish aeroplane manufacturer * Software Architects, Inc., a North American computer software company *

Springfield Armory, Inc. Springfield Armory, Inc., is an American commercial firearms manufacturer and importer based in Geneseo, Illinois. Founded in 1974 by Bob Reese and family, the company produces rifles such as the M1A and imports handguns such as the XD series ...

, an American firearm manufacturer and importer *

Stability AI Stability AI Ltd is a UK-based artificial intelligence company, best known for its text-to-image model Stable Diffusion. History and founding Stability AI was founded in 2019 by Emad Mostaque and by Cyrus Hodes. In August 2022 Stability AI r ...

, an

artificial intelligence Artificial intelligence (AI) is the capability of computer, computational systems to perform tasks typically associated with human intelligence, such as learning, reasoning, problem-solving, perception, and decision-making. It is a field of re ...

company, best known for its text-to-image model

Stable Diffusion Stable Diffusion is a deep learning, text-to-image model released in 2022 based on Diffusion model, diffusion techniques. The generative artificial intelligence technology is the premier product of Stability AI and is considered to be a part of ...

. * 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 Solar power includes solar farms as well as local distributed generation, mostly on rooftops and increasingly from community solar arrays. In 2024, utility-scale solar power generated 218.5 terawatt-hours (TWh) in the United States. Total sola ...

Sports Authority of India The Sports Authority of India, SAI, was set up in 1984 to carry forward the legacy of the 1982 Asian Games held in New Delhi under the Department of Sports. SAl has been entrusted with promoting sport in India and achieving sporting excellen ...

, an Indian government body *

Supreme audit institution A supreme audit institution is an independent national-level institution which conducts audits of government activities. Most supreme audit institutions are established in their country's constitution, and their mandate is further refined in natio ...

, 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 The Junior Reserve Officers' Training Corps (JROTC) is a Federal government of the United States, federal program sponsored by the United States Armed Forces in high schools and also in some middle schools across the United States and at US mil ...

South African Infantry Corps The South African Army Infantry Formation supervises all infantry within the South African Army. History Origins: Union Defence Force South African Infantry originated as the ''Infantry Branch'' of the Union Defence Force (South Africa), Union ...

Sai (weapon) The ''sai'' (Japanese language, Japanese: wiktionary:釵#Japanese, 釵, ; Chinese language, Chinese: wikt:鐵尺, 鐵尺, ) is a pointed melee weapon from Okinawa Island, Okinawa. It was historically utilized in martial arts such as Okinawan kobu ...

, an Asian melee weapon

Places

Sai, Orne Sai is a commune in the Orne department in northwestern France. It has a population of 222. Its inhabitants are known as ''Sayiens'' (male) and ''Sayiennes'' (female). Geography The commune of is made up of the following villages and hamlets ...

, a French village and commune *

Sai, Bhiwani Sai is a village in the Bhiwani district of the Indian state of Haryana. It lies approximately north east of the district headquarters town of Bhiwani Bhiwani is a city and a municipal council in Bhiwani district in the state of Haryan ...

, Haryana, India *

Sai (Mawal) Sai is a village and gram panchayat in India, situated in the Mawal taluka of Pune district in the state of Maharashtra Maharashtra () is a state in the western peninsular region of India occupying a substantial portion of the Decca ...

, a village in Pune district, Maharashtra, India *

Sai, Raebareli Sai is a village in Deenshah Gaura block of Rae Bareli district, Uttar Pradesh, India. It is located 30 km from Raebareli, the district headquarters. As of 2011, it has a population of 1,949 people, in 348 households. It has one primary ...

, a village in Uttar Pradesh, India *

Sai, Aomori is a village located in Aomori, Japan. , the village had an estimated population of 1,732 in 877 households, and a population density of 13 persons per square kilometre. Its total area is . In 2016, Sai was selected as one of The Most Beautifu ...

, a village in Japan *

Lake Sai , sometimes Saiko, is one of the Fuji Five Lakes and located in the town of Fujikawaguchiko in southern Yamanashi Prefecture near Mount Fuji, Japan. It is the fourth of the Fuji Five Lakes in terms of surface area, and second deepest, with a ...

, one of the Fuji Five Lakes in Japan *

Saï (island) Saï is a large island in the Nile River in Nubia between the second and third cataracts, in the country of Sudan. It is 12 km long and 5.5 km wide. Saï was intermittently occupied by the Egyptians during the New Kingdom. In the Makur ...

, on the Nile in Sudan * Sai River (disambiguation)

Organisations

* SAI Global, Australian standards organisation * Sathya Sai Organization, religious organization * Scout Association of Ireland, 1908–2004 * SAI Ambrosini, an Italian aircraft manufacturer *

Society of American Indians A society () is a group of individuals involved in persistent social interaction or a large social group sharing the same spatial or social territory, typically subject to the same political authority and dominant cultural expectations. ...

, 1911–1923 * Society of Architectural Illustrators * Sweet Adelines International, women barbershop singers

People

Groups

Sai people The Hlai, also known as Li or Lizu, are a Kra–Dai-speaking ethnic group, one of the 56 ethnic groups officially recognized by the People's Republic of China. The vast majority live off the southern coast of China on Hainan Island, where they ...

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

Given name

Sai Kiran Adivi Sai Kiran Adivi is an Indian Telugu film director and writer. Career Sai Kiran first worked as an assistant director to Sekhar Kammula. He made his debut as a director with '' Vinayakudu'' (2008), starring Krishnudu in the lead role. His next ...

, Indian film director and producer * Sai Prathap Annayyagari (born 1944), Indian politician * Sai Bennett (born 1990), British actress and model *

Sai Deodhar Sai Deodhar (21 April) is an Indian actress who primarily works in Hindi television. Deodhar is best known for portraying Flight Lieutenant Monica Singh Kochar in ''Saara Akaash'', Ananya Sachdev Samarth in ''Ek Ladki Anjaani Si (TV series), Ek ...

(born 1984), Indian television actor *

Sai Mauk Kham Dr. Sai Mauk Kham (, ; born 17 August 1949) is a Burmese politician and physician who currently serves as a House of Representatives MP for Lashio Township constituency. He previously served as First Vice President of Myanmar from 1 July 2012 ...

(born 1950), ethnic Shan politician and one of the two vice presidents of Myanmar * Sai Kiran (born 1978), Indian actor who works in the Telugu film industry *

Sai Wing Mock Sai Wing Mock (aka Mock Duck) (1879 – July 23, 1941) was a Chinese-American criminal and leader of the Hip Sing Tong, which replaced the On Leong Tong as the dominant Chinese-American Tong (organization), Tong in Manhattan Chinatown in the ear ...

(1879–1941), New York Chinese criminal and leader of the Hip Sing Tong *

Sai Pallavi Sai Pallavi Senthamarai Kannan (; born 9 May 1992) is an Indian actress who primarily works in Telugu, Tamil and Malayalam films. Recognised as one of the finest actors in South Indian cinema, known for her portrayals of strong and challeng ...

(born 1992), Indian actress *

Sai Paranjpye Sai Paranjpye (born 19 March 1938) is an Indian movie director and screenwriter. She is the director of the award-winning movies '' Sparsh'', '' Katha'', '' Chasme Buddoor'' and '' Disha''. She has written and directed many Marathi plays such as ...

(born 1938), Indian movie director and screenwriter * Sai Sam Tun, owner of the ''Loi Hein Co, Ltd.'' of Myanmar *

Sai Yinjiya Saiyinjiya (; born October 25, 1976, in Xilingol League, Inner Mongolia) is a male Southern Mongol freestyle wrestler from China who competed at the 2004 Summer Olympics. He finished eleventh in the Wrestling at the 2004 Summer Olympics – Men's ...

(born 1976), male Chinese freestyle wrestler

Surname

* Anand Sai, Indian art director who works for Telugu films *

Manoj Sai Onkar Dattaram Gurav (born 10 October 1982) is an Indian cricketer who plays for Andhra Pradesh Andhra Pradesh (ISO 15919, ISO: , , AP) is a States and union territories of India, state on the East Coast of India, east coast of southern ...

, Indian cricketer *

Marlene Sai Marlene Mikahala Sai (born December 14, 1941) is a Hawaiian classic-style female solo singer, born in Honolulu of Hawaiian–Chinese heritage. The ''San Francisco Chronicle'' refers to Marlene Sai as one of the true icons of the islands. The ''S ...

(born 1941), Hawaiian singer * Nand Kumar Sai (born 1946), Indian politician from Chhattisgarh state *

Obodai Sai Obodai Sai (born 24 March 1984) is a Ghanaian professional boxer who held the Commonwealth super-welterweight Light middleweight, also known as junior middleweight or super welterweight,PeBoxRec/ref> is a weight class in boxing but also may incl ...

(born 1984), Ghanaian boxer *

Sai On (1682–1762), or Cai Wen in Chinese, also known as , was a scholar-bureaucrat official of the Ryūkyū Kingdom, serving as regent, instructor, and advisor to King Shō Kei. He is renowned for the many reforms he initiated and oversaw, and is amo ...

(1682–1761), scholar-official of the Ryūkyū Kingdom *

Ryouji Sai (born Choi Young-ii June 3, 1980) is a Korean professional wrestler, mixed martial artist and promoter who currently owns and operates Pro Wrestling Land's End, where he is a former All Asia Heavyweight Champion. He is best known for working fo ...

(born 1980), Japanese professional wrestler * Tiaoalii Fauagiga Sai, American Samoan politician * Veer Surendra Sai (died 1884), Indian freedom fighter *

Vishnudeo Sai Vishnu Deo Sai (born 21 February 1964) is an Indian politician currently serving as the 4th Chief Minister of Chhattisgarh. He is the first senior tribal leader in Central India. Sai is a member of the Bharatiya Janata Party (BJP) and the Rash ...

(born 1964), Chief Minister of Indian state of Chhattisgarh *

Yōichi Sai was a Korean film director who worked in Japan. He was the president of the Directors Guild of Japan. Life and career Sai was born on 6 July 1949 in Nagano Prefecture, Japan. His mother was Japanese and his father was Zainichi Korean. Sai won ...

(born 1949), Japanese film director

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 The South Asia Institute was established as part of a University of Texas at Austin initiative to promote South Asian programs, especially those pertaining to contemporary issues, across the entire university and in the larger community. As a Natio ...

, USA *

South Asia Institute (Germany) The South Asia Institute (SAI) is an interdisciplinary center of the Ruprecht-Karls University Heidelberg in Heidelberg, Germany, for research and teaching on South Asia. In German, it is known as the Südasien-Institut. The regional focus of th ...

Stan Ackermans Institute 4TU (stylized as 4TU.Federation) is the federation of the four Dutch universities of technology: * Delft University of Technology (TU Delft) * Eindhoven University of Technology (TU/e) * University of Twente (UT) * Wageningen University and ...

, in the Dutch city of Eindhoven *

Sternberg Astronomical Institute The Sternberg Astronomical Institute, or GAISh, is a research institution in Moscow, Russia, a division of Moscow State University. In Russian it is named or , respectively. The institute is named after astronomer Pavel Karlovich Shternberg. It wa ...

, a division of Moscow State University in Russia

Science and technology

* SAI (software), painting software *

Serving area interface The serving area interface or service area interface (SAI) is an outdoor enclosure or metal box that allows access to telecommunications wiring. Alternate names *Access point (AP) *Cabinet (cab) *B-box (breakout box) *Cross box *Cross-connect b ...

, or ''service'' area interface, an outdoor telecommunications cabinet * Silent Aircraft Initiative, Cambridge-MIT Institute project *Single-collateral

Dai (cryptocurrency) DAI (or DAI, formerly Sai or SAI) is a stablecoin token on the Ethereum blockchain which uses smart contracts designed to control supply to keep its value as close to one United States dollar as possible. DAI is maintained and regulated by Maker ...

, discontinued *

Stratospheric aerosol injection Solar radiation reduction due to volcanic eruptions, considered the best analogue for stratospheric aerosol injection. Stratospheric aerosol injection (SAI) is a proposed method of solar geoengineering (or solar radiation modification) to reduc ...

in geoengineering *

Subject–auxiliary inversion Subject–auxiliary inversion (SAI; also called subject–operator inversion) is a frequently occurring type of inversion (linguistics), inversion in the English language whereby a finite auxiliary verb – taken here to include finite forms of th ...

in linguistics

Other uses

Sai (deity) Shai (also spelt Sai, occasionally Shay, and in Greek, Psais) was the deification of the concept of fate in Egyptian mythology. As a concept, with no particular reason for associating one gender over another, Shai was sometimes considered female ...

, an Egyptian god * Steering Axis Inclination, a secondary wheel alignment measurement *

Toyota Sai The Toyota Sai is a hybrid electric car sharing the same platform and hybrid drivetrain as the Lexus HS. It was launched in Japan on October 20, 2009, following the launch of the Lexus HS in January of the same year. Toyota is a Japanese ...

, alternate name for the Lexus HS hybrid car * Self-assessed intelligence