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