Duo may refer to:

Places

Duo, West Virginia Duo is an Unincorporated area, unincorporated community and coal town in Greenbrier County, West Virginia, Greenbrier County, West Virginia, United States. Duo is east-northeast of Quinwood, West Virginia, Quinwood. The community was so named o ...

, an unincorporated community and coal town in Greenbrier County, West Virginia * Duo, Tampere, a shopping centre in Hervanta, Tampere, Finland * DUO, a twin-tower development in Singapore

Arts, entertainment and media

Fictional characters

* Duo (''Mega Man''), a fictional protagonist in the Capcom video game series ''Mega Man'' *

Duo Maxwell The following list contains characters from the Japanese anime television series ''Mobile Suit Gundam Wing'' and subsequent spin-offs, and codes that indicate which series and manga the characters appear in: * EZ – '' New Mobile Report G ...

, a fictional protagonist in the television series ''Gundam Wing'' * Duo, the fictional owl mascot of the language learning website and mobile application

Duolingo Duolingo, Inc. is an American educational technology company that produces learning Mobile app, apps and provides Language assessment, language certification. Duolingo offers courses on 43 languages, ranging from English language, English, Fre ...

Films

* ''Duo'' (2006 film), a Canadian romantic comedy film directed by Richard Ciupka * ''Pas de deux'' (film), a 1969 Canadian film also known as ''Duo''

Music

Duet A duet (italian language, Italian: ''duo'') is a musical composition for two Performing arts, performers in which the performers have equal importance to the piece, often a composition involving two singers or two pianists. It differs from a har ...

or duo, a musical piece performed by two musicians *

Musical duo A musical ensemble, also known as a music group, musical group, or a band is a group of people who perform Instrumental music, instrumental and/or vocal music, with the ensemble typically known by a distinct name. Some music ensembles consist ...

, a musical ensemble composed of two musicians

Albums

* ''Duo'' (Kenny Drew and Niels-Henning Ørsted Pedersen album), 1973 *'' Duo 2'', Kenny Drew and Niels-Henning Ørsted Pedersen album, 1974 * ''Duo'' (Marilyn Crispell and Gerry Hemingway album), 1992 * ''Duo'' (Richard Marx and Matt Scannell album), 2008 * ''Duo'' (Merzbow album) box set, 2012 * ''Duo'' (Peter Ostroushko and Dean Magraw album), 1991 * ''Duo'' (Cedar Walton and David Williams album), 1990 * ''Duo'' (Hank Jones and Red Mitchell album), 1987 * ''

In duo ''In duo'' is a compilation album by Italian singer Mina, released on 4 March 2003 by EMI. The album features Mina's duet A duet (italian language, Italian: ''duo'') is a musical composition for two Performing arts, performers in which the per ...

'', Mina album, 2003

Other media

* ''Duo'' (novel), a novel by Colette *'' The Duo'', a 2011 South Korean television series *

Comedy duo A double act (also known as a comedy duo) is a form of comedy originating in the British music hall tradition, and American vaudeville, in which two comedians perform together as a single act, often highlighting differences in their characters' ...

, also known as a double act

Computing

Core 2 Duo Intel Core is a line of multi-core (with the exception of Core Solo and Core 2 Solo) central processing units (CPUs) for midrange, embedded, workstation, high-end and enthusiast computer markets marketed by Intel Corporation. These processors ...

, a computer processor from manufacturer Intel *

Google Duo Google Duo was a proprietary voice over IP (VoIP) and videotelephony service released in 2016 by Google and merged into its Google Meet product in 2022. It was available for Android, IOS and web browsers. It let users make and receive one-t ...

, a video chat app made by Google *

PowerBook Duo The PowerBook Duo is a line of subnotebooks manufactured and sold by Apple Computer from 1992 until 1997 as a more compact companion to the PowerBook line. Improving upon the PowerBook 100's portability (its immediate predecessor and Apple's t ...

, a laptop computer from computer maker Apple * Duo Security, a multifactor authentication service now owned by

Cisco Cisco Systems, Inc. (using the trademark Cisco) is an American multinational digital communications technology conglomerate corporation headquartered in San Jose, California. Cisco develops, manufactures, and sells networking hardware, s ...

Other uses

Duo Airways Duo Airways was an airline based in the United Kingdom. Its main bases were Birmingham Airport and Edinburgh Airport Edinburgh Airport is an international airport located in the Ingliston area of Edinburgh, Scotland. It is located west o ...

, a defunct UK airline *

Duo Interpretation Duo Interpretation, or often simply called Duo Interp, or just Duo, is an official speech event of Stoa USA, the National Speech and Debate Association, the National Catholic Forensics League, National Christian Forensics and Communications Associ ...

, a speaking event *

TL Ultralight TL-22 Duo The TL Ultralight TL-22 Duo is a Czech ultralight trike that was designed and produced by TL Ultralight of Hradec Králové. Production has been completed, but when it was available the aircraft was supplied as a complete ready-to-fly-aircraft ...

, Czech ultralight trike design * Duo, a clone of

Uno (card game) Uno (; from Spanish and Italian for 'one'), stylized as UNO, is a proprietary American shedding-type card game originally developed in 1971 by Merle Robbins in Reading, Ohio, a suburb of Cincinnati, that housed International Games Inc., a g ...