Dao, Dão or DAO may refer to:
Chinese philosophy Tao (Chinese: "The Way" 道), a philosophical concept
Arts and entertainment Dao (1995 film), a Hong Kong wuxia film by Tsui Hark Dao (2026 film), a French/Senegalese/Guinea-Bissau drama film by Alain Gomis Dao (game), an abstract strategy game DAO (album), a 1996 album by jazz saxophonist David S. Ware
People and language Yao people (Asia), a minority ethnic group of Vietnam Dao language (Papuan), Indonesia Dao language (China) Dao (surname) (Đào), a Vietnamese surname Dao (Dungeons & Dragons), a type of genie in the game Dungeons & Dragons Dão (footballer) (born 1984), Brazilian football defender
Places Dao (country subdivision) (Dào), historical political divisions in China translated as "circuits" Dao (state), a historical state during the Zhou dynasty Dao, Capiz, Philippines Dao County, in Yongzhou, Hunan, China Dão DOC, a wine region in Portugal Dão River, a river in Portugal
Science and technology Biology D-amino acid oxidase, a peroxisomal enzyme Diamine oxidase, an enzyme, also known as histaminase, involved in the metabolism of histamine D-aspartate oxidase, in enzymology Dracontomelon dao, a species of tropical canopy tree known as dao in Filipino
Computing Data access object, a design pattern used in object-oriented software engineering Jet Data Access Objects, a general programming interface for database access on Microsoft Windows systems Disk-at-Once, an optical disc recording mode Decentralized autonomous organization, an organization that is run through rules encoded as computer programs called smart contracts
Other De-asphalted oil, a crude oil refinery process stream Double-action only, a type of trigger mechanism for handguns
Organizations Daallo Airlines (ICAO code) Dansk Avis Omdeling, a postal service in Denmark The DAO, a former digital organization established in 2016 Decentralized autonomous organization, a type of organization Defence Acquisition Organisation, the former name of the Australian Defence Materiel Organisation Dominion Astrophysical Observatory in Saanich, British Columbia, Canada
Weapons Dao (Chinese sword) (刀), a type of Chinese sword Dao (Naga sword), a weapon and a tool of Naga people
Other uses Defense Attaché Office, the office for military matters at embassies; for example see Embassy of the United States, Tel Aviv
See also
Dão-Lafões, a region in Portugal Taoism Dau (disambiguation) Tao (disambiguation)