Do, DO or D.O. may refer to:

Languages

* The English verb, ''do'', which may serve as an auxiliary verb; see

do-support ''Do''-support (or ''do''-insertion), in English grammar, is the use of the auxiliary verb ''do'', including its inflected forms ''does'' and ''did'', to form negated clauses and questions as well as other constructions in which subject–auxil ...

* ''Do'' (kana), a mora symbol in Japanese writing * Ditto mark

People

Đỗ Đỗ is a Vietnamese family name. According to Lê Trung Hoa, a Vietnamese scholar, approximately 1.4 percent of Vietnamese people have this surname (2005).Lê Trung Hoa (2005). Họ và tên người Việt Nam, (Hà Nội), Việt Nam: NXB Khoa h ...

, a Vietnamese surname *

Do (surname) Do is a surname of multiple origins. Derivations * Đỗ or Do, a Vietnamese surname * Do, the romanization of the Korean surname * Do, Italian surname, from the Lombard name of Ono San Pietro People * Anh Do (born 1977), Vietnamese-Austr ...

, includes people with the surname * D.O. (entertainer) (born 1993), South Korean singer and actor *

D.O. (rapper) D.O. (a.k.a. Defy the Odds; real name Duane Gibson) is a Canadian rapper, motivational speaker and author.Jenny YueBullying victim turned rapper takes message to studentsToronto Sun, 28 December 2012 He is known for setting the Guinness World R ...

, Canadian rapper * Do (singer) (born 1981), Dutch singer * Marshall Applewhite (1931–1997), American cult leader

Music

The Dø The Dø is a Finnish- French indie pop band founded in Paris in 2005. The band is composed of Olivia Merilahti (singer and musician) and Dan Levy (multi-instrumentalist). The duo has been backed on stage by three different drummers: Jérémie ...

, a French/Finnish indie pop band * ''Do'' (Do album), an album by Dutch singer Do * ''Do'' (Psychostick album) * C (musical note), the first note of the musical scale in ''fixed do'' solfège * Delta Omicron, an international music fraternity * Do, the first syllable of the scale in solfège * Do, a type of

buk (drum) The ''buk'' () is a traditional Korean drum. While the term ''buk'' is a native Korean word used as a generic term meaning "drum" (the Sino-Korean word being ''go''), it is most often used to refer to a shallow barrel-shaped drum, with a roun ...

used in Korean ritual music * "Do", a song by the White Stripes from the 1999 album ''The White Stripes'' (album)

Science and medicine

* ''

The DO ''The DO'' is a monthly online magazine published by the American Osteopathic Association The American Osteopathic Association (AOA) is the representative member organization for the more than 176,000 osteopathic medical doctors ( D.O.s) and os ...

'', an online magazine published by the American Osteopathic Association * Dansgaard–Oeschger event, in climate science * Delta Omega, an American public health honorary society * Doctor of Osteopathic Medicine * Dissolved oxygen

Technology

.do .do is the ''country code top-level domain A country code top-level domain (ccTLD) is an Internet The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) t ...

, the country code top level domain for the Dominican Republic *

Dornier Flugzeugwerke Dornier Flugzeugwerke was a German aircraft manufacturer founded in Friedrichshafen in 1914 by Claude Dornier. Over the course of its long lifespan, the company produced many designs for both the civil and military markets. History Originally ...

, a defunct German aircraft manufacturer * GNOME Do, an application launcher for Linux * Dō, the torso protection in a suit of kendo armor

Places

* Do (province), the Korean and Japanese administrative division equivalent to the ancient Chinese dao * Do (administrative division), an administrative unit in both North and South Korea * Do (Berkovići), Bosnia and Herzegovina * Do (Hadžići), Bosnia and Herzegovina * Do, Stolac, Bosnia and Herzegovina * Do (Trebinje), Bosnia and Herzegovina * Do, Ivory Coast *

Dominican Republic The Dominican Republic ( ; es, República Dominicana, ) is a country located on the island of Hispaniola in the Greater Antilles archipelago of the Caribbean region. It occupies the eastern five-eighths of the island, which it shares with ...

Other uses

* ''DO'' (film) * Dō (philosophy), a doctrine or lifestyle in Japanese and Korean cultures *

Delivery order A delivery order (abbreviated D/O"小提�," MSN Encarta World English Dictionary orth American Edition 2007. Microsoft Corporation. Accessed 5 July 2007Archived 2009-10-31.) is a document from a consignee, or an owner or his agent of freight carr ...

* Denominación de origen, a Spanish wine appellation *

Directorate of Operations (CIA) The Directorate of Operations (DO), less formally called the Clandestine Service,Central Intelligence AgencyCareers & Internships Retrieved: July 9, 2015. is a component of the US Central Intelligence Agency. It was known as the ''Directorate o ...

of the United States Central Intelligence Agency *

Dominicana de Aviación Compañía Dominicana de Aviación, usually shortened to Dominicana, was an airline based in the Dominican Republic and served as the flag carrier for the country. The airline flew a Boeing 747 for a short time. In the late 1980s, it leased 2 ...

, a defunct Dominican airline * Do, the number twelve in the duodecimal system