Do and DO may refer to:

  • Denominación de Origen (DO), a Spanish wine appellation

  • Directorate of Operations (DO) of the National Clandestine Service

  • Doctor of Osteopathic Medicine (D.O. or DO), one of two degrees held by physicians in the United States

  • Dominican Republic (ISO country code: do)

  • Dissolved Oxygen, a measure of oxygen saturation in a medium

  • Delta Omicron (DO), an international music fraternity

  • 1xEV-DO (Evolution-Data Optimized), a wireless radio broadband data standard adopted by many CDMA mobile phone service providers

  • D/O, a delivery order,

  • The first note of the musical scale in solfege; see also musical notation.

  • Diffractive Optics, a lens design used on Canon EF lenses to reduce chromatic aberrations and weight

  • Dominicana de Aviación (IATA code: DO), the national and international airline of the Dominican Republic from 1944-1995

  • Dornier Flugzeugwerke (Do) aircraft

  • A prosign for Morse Code

  • Marshall Applewhite, nicknamed Do, the leader of the Heaven's Gate cult

  • Deodorant


    • In other languages:
  • Provinces of Korea, called "''do''", in Korean

  • Circuit (political division), when used in the name of Hokkaidō Prefecture

  • Do (surname) (杜), a Vietnamese family name

  • ''Dō'' (道) the Japanese pronunciation of the Chinese word Tao (道)

  • ''Do'' (島), meaning island, and used as part of the names of the Islands of Korea

  • ''Dō'' (胴), the part of the bogu (armor) that protects the trunk in kendo


    • Other:
  • Do (singer), real name ''Dominique van Hulst'', a Dutch singer

  • Do (album), the debut album from Dominique van Hulst

  • Ditto

  • Do, or "Doh" is a common ''dummy'' auxiliary verb and proform in English

  • "Do", a song by The White Stripes from their 1999 album ''The White Stripes''

  • A fictional martial art practised by the Akashic Brotherhood in the role-playing game Mage: The Ascension

  • The .do URL "extension" is commonly mapped to Apache Struts.

  • Do, as in have sex with someone, to do someone"


    • de:DO
    fr:Do
    ko:DO
    it:DO
    nl:Do
    ja:DO
    no:DO
    pl:Do
    ksh:DO (Watt ėßß datt?)
    fi:Do
    sv:Do