A double is a look-alike or doppelgänger; one person or being that resembles another. Double, The Double or Dubble may also refer to:

Film and television

* Double (filmmaking), someone who substitutes for the credited actor of a character * The Double (1934 film), ''The Double'' (1934 film), a German crime comedy film * The Double (1971 film), ''The Double'' (1971 film), an Italian film * The Double (2011 film), ''The Double'' (2011 film), a spy thriller film * The Double (2013 film), ''The Double'' (2013 film), a film based on the Dostoevsky novella * ''Kamen Rider W, Kamen Rider Double'', a 2009–10 Japanese television series ** List of Kamen Rider W characters#Kamen Rider W, Kamen Rider Double (character), the protagonist in a Japanese television series of the same name

Food and drink

* Doppio, a double shot of espresso * Dubbel, a strong Belgian Trappist beer or, more generally, a strong brown ale * A drink order of two shots of distilled beverage, hard liquor in one glass * A "double decker", a hamburger with two patties in a single bun

Games

* Double, action in games whereby a competitor raises the stakes ** , in contract bridge ** Doubling cube, in backgammon * Double, villain in the video game ''Mega Man X4'' * A kart racing game ''Mario Kart: Double Dash'' * An arcade action game ''Double Dragon''

Literature

* The Double (Dostoevsky novel), ''The Double'' (Dostoevsky novel), an 1846 novella by Fyodor Dostoevsky * The Double (Saramago novel), ''The Double'' (Saramago novel), a 2002 novel by José Saramago * Double (manga), ''Double'' (manga), a 2019 manga series by Ayako Noda * Andrew Dubble, the primary character in the ''Andrew Lost'' children's novels

Mathematics and computing

* Multiplication by 2 (number), 2 * Double-precision floating-point format, Double precision, a floating-point representation of numbers that is typically 64 bits in length * A split-complex number of the form

x+yj

, where

j^2=+1

* A 2-tuple, or ordered list of two elements, commonly called an ordered pair, denoted

(a,b)

* Double (manifold), in topology

Music

* Double album, audio album spanning two units of the primary medium in which it is sold, typically records and CDs * Doubling (voicing), a kind of musical voicing * Double variation, a variation form in music * Pasodoble, a traditional couple's dance from Spain * Double (singer) (born 1975), Japanese R&B singer * Double (band), Swiss pop duo that had their biggest hit in 1986 with "Captain of Her Heart" * Double (Roch Voisine album), ''Double'' (Roch Voisine album), a 1990 album by Roch Voisine * Double (Zhao Wei album), ''Double'' (Zhao Wei album), a 2005 album by Zhao Wei * Double (BoA song), "Double" (BoA song), 2003 * "The Double", an instrumental by Clint Mansell from the ''Black Swan'' Black Swan: Original Motion Picture Soundtrack, soundtrack (2010) * The Concerto for Two Violins (Bach), Double Violin Concerto (Bach) in D minor, BWV 1043, commonly referred to as "The Double" among violinists

People

* Baron Emile Double (1869–1938), vigneron who established the vineyard at Château de Beaupré * François-Joseph Double (1776–1842), French physician * Marie-Louise Double de Saint-Lambert (1891–1974), French philanthropist later known as Countess Lily Pastré * Steve Double (born 1966), British Conservative Party politician, Member of Parliament (MP) for St Austell and Newquay since 2015

Places

* Double (lunar crater), in Mare Tranquillitatis * Double Lake, a lake in Minnesota, US

Sports

* Double (association football), the act of a winning a division and primary cup competition in the same season * Double (baseball), a two-base hit in baseball ** The Double (Seattle Mariners), a specific instance of the above that occurred during the 1995 Major League Baseball season * Double (cricket), the feat of scoring a thousand first-class runs and taking a hundred first-class wickets in a single season * Double (volleyball), scoring ten or more in a statistical category (aces, kills, blocks, digs, or assists) in a single match * Double-double (basketball), accumulating ten or more in two of five statistical categories (points, rebounds, assists, steals, or blocks) in a single game * Double Duty, a driver attempting to compete in the Indycar Indianapolis 500 and NASCAR Coca-Cola 600 on the same day * The Double (Gaelic games), the act of winning the All-Ireland Senior Football Championship and the All-Ireland Senior Hurling Championship in the same year * The Double (rugby league), winning the Super League and Challenge Cup in one season

Other

* Double, a bet which combines two selections; see Glossary of bets offered by UK bookmakers#Double * Polish Enigma doubles, replicating the function of Nazi Germany's cipher machines * Double, a former fraction of the Guernsey pound * Double, a former Ranking of liturgical days in the Roman Rite, rank of liturgical feast in the Roman Rite of the Catholic Church * Double-flowered form of plants