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

Languages

* The English verb, ''do'', which may serve as an auxiliary verb; see do-support * ''Do'' (kana), a mora symbol in Japanese writing *

Ditto mark The ditto mark is a shorthand sign, used mostly in hand-written text, indicating that the words or figures above it are to be repeated. The mark is made using 'a pair of apostrophes'; 'a pair of marks used underneath a word'; the symbol (quota ...

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-Austral ...

, includes people with the surname *

D.O. (entertainer) Doh Kyung-soo (; born January 12, 1993), also known by his stage name D.O. (), is a South Korean singer and actor, best known as a member of the South Korean-Chinese boy group Exo. Apart from his group's activities, D.O. has starred in various ...

(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 ...

, Canadian rapper *

Do (singer) Dominique Rijpma van Hulst (; born 7 September 1981) is a Dutch singer and actress known by her stage name Do. She is best known for singing the vocals of "Heaven", DJ Sammy's worldwide top 10-hit in 2002–2003, a cover of the 1980s hit of th ...

(born 1981), Dutch singer *

Marshall Applewhite Marshall Herff Applewhite Jr. (May 17, 1931 – March 26, 1997), also known as Do, among other names, was an American cult leader who founded what became known as the Heaven's Gate cult group and organized their mass suicide in 1997 ...

(1931–1997), American cult leader

Music

* The Dø, a French/Finnish indie pop band * ''Do'' (Do album), an album by Dutch singer Do * ''Do'' (Psychostick album) *

C (musical note) C or Do is the first note and semitone of the C major scale, the third note of the A minor scale (the relative minor of C major), and the fourth note (G, A, B, C) of the Guidonian hand, commonly pitched around 261.63 Hz. The actual frequen ...

, the first note of the musical scale in ''fixed do'' solfège *

Delta Omicron Delta Omicron () is a co-ed international professional music honors fraternity whose mission is to promote and support excellence in music and musicianship. History Delta Omicron International Music Fraternity was founded on September 6, 1909 at ...

, an international music fraternity * Do, the first syllable of the scale in

solfège In music, solfège (, ) or solfeggio (; ), also called sol-fa, solfa, solfeo, among many names, is a music education method used to teach aural skills, pitch and sight-reading of Western music. Solfège is a form of solmization, though the tw ...

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

Science and medicine

* ''The DO'', 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, the country code top level domain for the Dominican Republic * Dornier Flugzeugwerke, a defunct German aircraft manufacturer * GNOME Do, an application launcher for Linux * Dō, the torso protection in a suit of bōgu, 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, Stolac, 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

Other uses

* DO (film), ''DO'' (film) * Dō (philosophy), a doctrine or lifestyle in Japanese and Korean cultures * Delivery order * Denominación de origen, a Spanish wine appellation * Directorate of Operations (CIA) of the United States Central Intelligence Agency * Dominicana de Aviación, a defunct Dominican airline * Do, the number twelve in the duodecimal system