Troika or troyka (from Russian тройка, meaning 'a set of three' or the digit '3') may refer to:

• Troika (dance), a Russian folk dance
• Troika (driving), a traditional Russian harness driving combination, a cultural icon of Russia

• Triumvirate, a political regime ruled or dominated by three powerful individuals, usually troika in the context of the Soviet Union and Russia
• Troika (Bosnia and Herzegovina), a three-party alliance in Bosnia and Herzegovina
• Troika (Soviet leadership), one of the temporary triumvirates in the Soviet Union
• Troika (Tunisia), a three-party alliance that governed Tunisia from 2011 to 2014
• European troika, the decision group formed by the European Commission (EC), the European Central Bank (ECB) and the International Monetary Fund (IMF)
• OSCE troika, the leadership of the Organization for Security and Co-operation in Europe: the chairman-in-office and the previous and incoming chairmen-in-office
• NKVD troika, a commission of three for express judgment in the Soviet Union during the time of Joseph Stalin
• "The troika" during the U.S. presidency of Ronald Reagan: James Baker, Ed Meese, and Michael Deaver
• Troika of tyranny, a term coined by John R. Bolton for three Central and South American nations (Cuba, Nicaragua and Venezuela)

• The Troika, a 1997 novel by Stepan Chapman
• Troika, a 1979 novel by David Gurr
• Troika, a 2011 novella by Alastair Reynolds
• Troika, the fourth novel of the Indigo Saga by Louise Cooper
• Tale of the Troika, a novel by Russian authors Arkady and Boris Strugatsky

• "Troika", the first movement of The Blizzard suite by Georgy Sviridov (1974, movie version — 1964)
• Troika (Julia Kogan album), 2011
• Troika (D'Virgilio, Morse & Jennings album), 2022
• "Troika", the fourth movement of Suite from Lieutenant Kijé by Prokofiev
• "Troika", the eleventh movement of The Seasons by Tchaikovsky

• Troika (video game), a 1991 video game
• Troika! (role-playing game), a 2019 tabletop role-playing game
  • The fictional city in the Troika! RPG
• Troika [ru], a painting by Vasily Perov
• Troika (series), a 2010 Israeli-Russian short TV series by Leonid Prudovsky
• Troyka, a British jazz band featuring pianist Kit Downes
• Troika (1930 film), a German drama film
• Troika (1969 film), an American experimental comedy film by Fredric Hobbs

• Troika Games, a video games developer 1998–2005
• Troika Pottery, a Cornish pottery company 1963–1983
• Troika Dialog, the former name of Sberbank CIB, a multinational investment banking and asset management firm

• Troika (chocolate), a confection by Nidar AS, Norway
• Troika (crater), on Mars
• Troika (ride), an amusement park ride
• The Troika (Kuala Lumpur), a condominium in Kuala Lumpur, Malaysia
• Troika card, a contactless reusable card designed to pay for public transport in Moscow, Russia
• VAZ-2103, a Soviet sedan car nicknamed Troika

• All pages with titles containing Troika
• Trojka (disambiguation)
• Three of a kind (disambiguation)
• Threesome (disambiguation)
• Troyca, a Japanese animation studio