BRK may refer to:

• An interrupt in 65xx computer processors
• "brk" and sbrk, Unix system calls
• B-R-K, a Semitic root of given name Barak
• BRK.A and BRK.B, NYSE symbols of Berkshire Hathaway
• BRK Brands, US, retail brand First Alert
• Berkshire, county in England, Chapman code
• Brioche-knit stitch in brioche knitting
• Birgid language, ISO 639-3 language code
• Briansk State Air Enterprise, see List of airline codes (B)
• Bourke Airport, NSW, Australia, IATA airport code
• Berwick railway station (East Sussex), England
• Marijan Brkić Brk, a Croatian guitarist
• PTK6, or BRK, breast tumor kinase
• Belgrade Rugby Club
• BRK, seismological station code for the Berkeley Seismological Laboratory

This disambiguation page lists articles associated with the title BRK.
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