Look up birk in Wiktionary, the free dictionary.
Birk may refer to:
- Birk (market place), a demarcated area with its own laws and privileges, the Bjarkey laws
- Reykjavík Airport's ICAO code "BIRK"
- Birk (name), a given name and surname
- Birk, the German name for Petelea Commune, Mureș County, Romania