BAI or Bai may refer to:
Baidu, Inc. (Chinese: 百度; pinyin: Bǎidù, anglicized /ˈbaɪduː/ "BY-doo"), incorporated on January 18, 2000, is a Chinese web services company headquartered at the Baidu Campus in Beijing's Haidian District.
Bairavaa is a 2017 Indian Tamil-language action film written and directed by Bharathan and produced by Vijaya Productions.
The baiji (Chinese: 白鱀豚; pinyin: báijìtún , Lipotes vexillifer, Lipotes meaning "left behind", vexillifer "flag bearer") is a functionally extinct species of freshwater dolphin formerly found only in the Yangtze River in China.
Bain Capital is a global alternative investment firm based in Boston, Massachusetts. It specializes in private equity, venture capital and credit products.
Bail is money or some form of property that is deposited or pledged to a court, in order to secure the release from custody or jail of a suspect who has been arrested, with the understanding that the suspect will return for their trial and required court appearances.
A bailiff (from Middle English baillif, Old French baillis, bail "custody, charge, office"; cf. bail, based on the adjectival form, baiulivus, of Latin bajulus, carrier, manager) is a manager, overseer or custodian; a legal officer to whom some degree of authority or jurisdiction is given.
Bai Juyi (also Bo Juyi or Po Chü-i; Chinese: 白居易; 772–846) was a renowned Chinese poet and Tang dynasty government official.
Baikonur Cosmodrome (Russian: Космодро́м «Байкону́р» Kosmodrom Baykonur; Kazakh: Байқоңыр ғарыш айлағы Bayqoñır ğarış aylağı) is a spaceport located in Kazakhstan.
BAIC Group (officially Beijing Automotive Industry Holding Co., Ltd.) is a Chinese state-owned enterprise and holding company of several automobile and machine manufacturers, located in Beijing, China.