Dao, Dão or DAO may refer to: * Tao (Chinese: "The Way" 道), a philosophical concept * Dao (Chinese sword) (刀), a type of Chinese sword * Dao (Naga sword), a weapon and a tool of Naga people

People and language

* Yao people, a minority ethnic group of Vietnam *

Dao language (Papuan) Auye (Auwje) and Dao (Maniwo) are the two dialectsMoxness (2002: 6–7) of a Papuan language The Papuan languages are the non- Austronesian and non-Australian languages spoken on the western Pacific island of New Guinea in Indonesia and Papua ...

, Indonesia * Dao language (China) * Dao (surname) (Đào), a Vietnamese surname * Dao (''Dungeons & Dragons''), a type of genie in the game ''Dungeons & Dragons'' *

Dão (footballer) Dannyu Francisco dos Santos (born 28 October 1984), commonly known as Dão, is a Brazilian football defender who currently plays for Barra Futebol Clube. Career Dão began his professional career with Recife, before making moves to CRB and M ...

(born 1984), Brazilian football defender

Places

Dao (country subdivision) A circuit ( or ) was a historical political division of China and is a historical and modern administrative unit in Japan. The primary level of administrative division of Korea under the Joseon and in modern North and South Korea employs th ...

(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, a D-aspartate oxidase () is an enzyme that catalyzes the chemical reaction :D-aspartate + H2O + O2 \rightleftharpoons oxaloacetate + NH3 + H2O2 The 3 substrates of this enzyme are D-aspartate, H2O, and O2, whereas its 3 pro ...

, 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 trigger mechanism for semi-automatic firearms

Organizations

* Decentralized autonomous organization, a type of organization * The DAO (organization), a former digital organization established in 2016 * Defence Acquisition Organisation, the former name of the Australian Defence Materiel Organisation * Dominion Astrophysical Observatory in Saanich, British Columbia, Canada * Daallo Airlines (ICAO code)

Arts and entertainment

* ''Dao'' (film), a film by Tsui Hark * ''Dao'' (game), an abstract strategy game * ''DAO'' (album), a 1996 album by jazz saxophonist David S. Ware

Other uses

* Defense Attaché Office, the office for military matters at embassies; for example see

Embassy of the United States, Tel Aviv The Branch Office of the Embassy of the United States of America in Tel Aviv is part of the diplomatic mission of the United States in the State of Israel. The complex opened in 1966, and is located at 71 HaYarkon Street in Tel Aviv. It served as ...