Dai may refer to:

Names

Dai (given name) Dai is a Welsh masculine given name, a diminutive form of Dafydd or David, as well as a masculine Japanese given name. Notable people with the name include: * Dai Buell (died 1939), American pianist and teacher * Dai Davies (footballer, born 1880 ...

, a Welsh or Japanese masculine given name *

Dai (surname) Dai is the pinyin romanization of the Chinese surname written with the Chinese character . It is romanized as Tai in Wade-Giles and in Hong Kong Government Cantonese Romanisation. Dai is the 96th most common surname in China, according to a rep ...

(戴), a Chinese surname

Places and regimes

Dai Commandery Dai Commandery was a commandery (''jùn'') of the state of Zhao established BC and of northern imperial Chinese dynasties until the time of the Emperor Wen of the Sui dynasty (r. AD581–604). It occupied lands in what is now Hebei, Shanxi, a ...

, a commandery of the state of Zhao and in early imperial China *

Dai County Dai County, also known by its Chinese name Daixian, is a county in Xinzhou, Shanxi Province, China. Its county seat at Shangguan is also known as Daixian. The county has an area of and had a population of 178,870 at the time of the 2020 ...

, in Xinzhou, Shanxi, China * Dai (Eighteen Kingdoms), a short-lived state during the Eighteen Kingdoms period in Chinese history * Dai (Han dynasty), a realm and title during the Han dynasty *

Dai (Sixteen Kingdoms) Dai, also rendered as Tai and sometimes known in historiography as the Tuoba Dai (), was a dynastic state of China ruled by the Tuoba clan of Xianbei descent, during the era of Sixteen Kingdoms (although it is not listed as one of the 16). ...

, a Xianbei-led dynastic state during the Sixteen Kingdoms era of Chinese history *

Dai (Spring and Autumn period) Dai was a state which existed in northern Hebei during the Spring and Autumn Period of Chinese history. Its eponymous capital was located north of the Zhou Kingdom in what is now Yu County. It was apparently established by the people known ...

, a state during the Spring and Autumn period in Chinese history *

Dai (Warring States period) Dai was a short-lived state from 228 BC to 222 BC. during the Warring States period of Chinese history. Prince Zhao Jia, older brother of King Youmiu of Zhao, fled with the remnant forces to Dai Commandery after the conquest of Zhao and w ...

, a short-lived state during the Warring States period in Chinese history

People and language

Da'i al-Mutlaq The term Da'i al-Mutlaq ( ar, الداعي المطلق, al-Dā'ī al-Mutlaq; pl. , ) literally meaning 'the absolute, or unrestricted, missionary', is the most senior spiritual rank and office in Tayyibi Isma'ilism. The Da'i al-Mutlaq has heade ...

or Da'i, a type of religious leader in Islam * Da'i, person engageing in Dawah, the act of inviting people to Islam * Dai language (disambiguation) * Dai people, an ethnic minority of China * Dai (Yindu), or Daai Chin, an ethnic tribe of Chin, Myanmar

Other uses

Dai (cryptocurrency) Dai (or DAI, formerly Sai or SAI) is a stablecoin on the Ethereum blockchain whose value is kept as close to one United States dollar (USD) as possible through a system of smart contracts and the decentralized participants those contracts incent ...

, a cryptocurrency-backed stablecoin * DAI Personal Computer, an early home computer from Belgium *

Daimler AG The Mercedes-Benz Group AG (previously named Daimler-Benz, DaimlerChrysler and Daimler) is a German multinational automotive corporation headquartered in Stuttgart, Baden-Württemberg, Germany. It is one of the world's leading car manufactu ...

's stock symbol * '' De Administrando Imperio'', work written by the 10th-century Byzantine Emperor Constantine VII * ''

Deutsches Archäologisches Institut The German Archaeological Institute (german: Deutsches Archäologisches Institut, ''DAI'') is a research institute in the field of archaeology (and other related fields). The DAI is a "federal agency" under the Federal Foreign Office of Germany ...

'', or German Archaeological Institute, an archaeological institute operated by the German ministry of foreign affairs *

DAI Global DAI Global, LLC is a private development company with corporate offices in more than a dozen countries, including in Bethesda, Maryland, in the United States; London and Apsley, Hertfordshire, in the United Kingdom; Abuja and Lagos, in Nigeria; ...

, an international development firm *

Diamond Aircraft Industries Diamond Aircraft Industries is a Chinese-owned manufacturer of general aviation aircraft and motor gliders, based in Austria. It is the third largest manufacturer of aircraft for the general aviation sector, and has manufacturing facilities i ...

, an aircraft manufacturer *

Diffuse axonal injury Diffuse axonal injury (DAI) is a brain injury in which scattered lesions occur over a widespread area in white matter tracts as well as grey matter. DAI is one of the most common and devastating types of traumatic brain injury and is a major cause ...

, a type of traumatic brain injury *

Digital Author Identifier In the Dutch research system, the Digital Author Identifier (DAI) system assigns a unique number to all academic authors as a form of authority control. The DAI links the PICA database in institutional libraries with the METIS national research ...

, a unique number for an author in the Dutch research system * Direct audio input, a port used in hearing aids and hearing instruments *

Distributed artificial intelligence Distributed Artificial Intelligence (DAI) also called Decentralized Artificial Intelligence is a subfield of artificial intelligence research dedicated to the development of distributed solutions for problems. DAI is closely related to and a pred ...

, a subfield of artificial intelligence *

Do As Infinity Do As Infinity is a Japanese pop and rock band that formed in 1999 with three members: vocalist Tomiko Van, guitarist Ryo Owatari, and guitarist and composer Dai Nagao. The band's name is sometimes abbreviated as DAI, alluding to the fact that ...

, a Japanese band * '' Dragon Age: Inquisition'', a video game by BioWare * Dynamic ARP Inspection, a security protocol {{disambiguation, geo