Bak

Bak or BAK may refer to:

Computer

 * Bak file
 * Betrayal at Krondor, a DOS-based role-playing video game
 * Bill and keep reciprocal payment in telecommunications systems

Acronyms

 * Bcl-2 homologous antagonist killer, a protein involved in pro-apoptotic action
 * Biking Across Kansas
 * Basic Aeronautical Knowledge

Places

 * Bäk, a municipality in the district of Lauenburg, in Schleswig-Holstein, Germany
 * Bąk (disambiguation), several places in Poland
 * Bak District, Afghanistan
 * Bak, Hungary
 * Bäk, Khost Province, Afghanistan
 * Bak, South Khorasan, Iran

People

 * Aad Bak (1926–2009), Dutch football player
 * Alexander Bak (born 1991), Danish basketball player
 * Arkadiusz Bąk (born 1974), Polish football player
 * Bąk (surname), Polish surname
 * Jacek Bąk (born 1973), Polish football player
 * Justyna Bąk (born 1974), Polish long-distance runner
 * Mateusz Bąk (born 1983), Polish football player
 * Nisan Bak or Nissan Beck (1815–1889), Hasidic leader, moderniser and printer in Jerusalem; son of Israel Bak
 * Per Bak (1948–2002), Danish physicist
 * Robert C. Bak, Hungarian psychoanalyst
 * Samuel Bak (born 1933), Israeli artist
 * Stéphane Bak (born 1996), French actor and radio host of Congolese descent
 * Bek (sculptor) or Bak, ancient Egyptian sculptor
 * Park (Korean surname) or Bak, common Korean family name
 * Lauren Haney's Lieutenant Bak series set in Ancient Egypt
 * Thomas Bak, German artist & art director

Transport

 * Bakau LRT station (LRT station abbreviation: BAK) in Sengkang, Singapore
 * Battersea Park railway station (3-Alpha station code: BAK) in London, UK
 * Columbus Municipal Airport (Indiana) (FAA airport code: BAK), US airport
 * Heydar Aliyev Airport (previous IATA airport code: BAK, has been changed to: GYD), in Baku, Azerbaijan

Others

 * BAK (Austria), federal anti corruption agency
 * BAK (magazine), online arts & design magazine
 * Backup
 * Bashkir language (ISO 639 identifier: bak)
 * Bak (instrument), Korean wooden clapper
 * × Bakerara (abbreviation Bak), a genus of orchids
 * BaK, World War I anti-balloon gun, from the German Ballonabwehrkanone
 * Benzalkonium chloride drug preservative